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I have some older MIDI backing tracks that I want to update to sound better when they play through the PA. The software I'm using allows me to set the level, velocity, pan, reverb and chorus for each instrument.

These are just backing tracks for live performance for a guitarist that are played through a Roland sound module. Mostly trio (piano, bass and drums) but sometimes with strings or other background instruments. Example of mistakes I made in the past was putting reverb and chorus on the bass. I know not to do that now.

Are there any best practices or suggestions for the various parameters? I know it's pretty open ended and subjective, but just trying to make some improvements to the sound/mix of these tracks. I have a bunch to update, so I'm really just looking for a basic template I can follow for each song. Answers to questions like appropriate level for each instrument, velocity setting and so on..In addition to MIDI, I will also be recording them to MP3 format after so I really want to get it right. Thank you!

Comments

MC208 Sat, 11/09/2024 - 13:56

So for the heck of it, I asked chatgpt the question and here's what it gave me:

Please rewrite your answers given the following:
Level is adjustable from 0 to 127
Velocity is adjustable from -60 to 67
Pan is adjustable rom Left 64 to Right 63
Reverb and chorus are adjustable from 0 to 127

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Thanks for clarifying the exact control ranges for each parameter! Based on the values you’ve provided, here’s how you can set the **level**, **velocity**, **pan**, **reverb**, and **chorus** for each instrument in your live MIDI backing tracks to get a balanced and natural-sounding mix.

### 1. **Piano**
- **Level**: Set the piano **level** around **100-110** (on a scale of 0 to 127). This ensures the piano is prominent but not overwhelming. If the piano is more of a lead instrument, you could push it closer to **120**. If it's more of an accompaniment, keep it lower, around **90-100**.
 
- **Velocity**: Use **moderate to high** velocity values for more dynamic expression. For regular accompaniment, set velocity around **0 to +20** (with a range from -60 to +67). For louder, more expressive notes (e.g., piano solo), you can go up to **+30 to +50**.

- **Pan**: Pan the piano slightly off-center to give it space. Set pan around **-10 to +10** (slightly left or right of the center). If it’s a solo piano part, you can keep it more **centered**, around **0**.

- **Reverb**: Use **moderate reverb** to add depth, but avoid too much wash. Set reverb around **40-60** to create space without muddying the sound. If you need a more ambient effect for a softer, ballad-style piano part, increase it to **70-80**.

- **Chorus**: Apply a **light chorus** for warmth. Set chorus around **10-20**. Too much chorus can make the piano sound un-focused, so keep it subtle.

---

### 2. **Bass**
- **Level**: The bass should sit lower in the mix, so set the **level** around **80-100**. If the bass needs to be more prominent (e.g., in a funk or rock context), you could go closer to **110**, but generally, you want the bass to complement the rhythm section without overpowering other instruments.

- **Velocity**: Keep bass velocities **consistent** to ensure it stays grounded. Set velocities between **0 and +20** for even, steady playing. If you're playing with a more aggressive slap or pluck sound, you could raise the velocity to **+30 to +50**, but keep it balanced with the other instruments.

- **Pan**: The bass should be **centered** to anchor the rhythm section. Set pan to **0** for the bass.

- **Reverb**: Use **minimal reverb** on bass to keep the low end tight. Set reverb around **10-20**. If you want the bass to have a bit more room, you can increase it to around **30-40**, but be cautious not to make the bass too muddy.

- **Chorus**: Typically, **no chorus** on bass, as it can blur the low-end frequencies. Set **chorus to 0**.

---

### 3. **Drums**
- **Level**: Drums should have a strong presence, but not overpower the other instruments. Set the **level** around **100-110**. For a more driving rhythm section, you can push the drums up to **120** (especially the kick and snare). If the drums are more of a background element, keep them closer to **90-100**.

- **Velocity**: Drums need varied velocities for natural dynamics.
  - For **kick** and **snare**, set velocities around **+20 to +40** to keep them punchy.
  - For **hi-hats** and **cymbals**, set velocities around **0 to +20**.
  - For accents or fills, you can raise velocities to **+50 to +60** for snare hits and cymbals.

- **Pan**:
  - **Kick drum**: Set pan to **0** (center).
  - **Snare drum**: Slightly off-center, around **+5 to +15** (right).
  - **Toms**: Pan the toms across the stereo field for a natural drum kit layout.
    - Higher toms: **-10 to -20** (left)
    - Lower toms: **+10 to +20** (right)
  - **Hi-hats**: **-30 to -40** (slightly left).
  - **Cymbals**: Spread out cymbals by setting them around **-50 to -40** (left) and **+40 to +50** (right).

- **Reverb**: Drums need a **short reverb** to preserve their impact. Set reverb around **30-40** for the kick and snare. For cymbals and toms, you can apply slightly more reverb, **50-60**, to create a sense of space.

- **Chorus**: **No chorus** for drums. Keep them clean and punchy, so set **chorus to 0**.

---

### 4. **Strings (Background/Accompaniment)**
- **Level**: Strings should sit **in the background**. Set the **level** between **60-80**. If the strings are meant to provide subtle texture, keep it at the lower end (e.g., **60-70**). If they’re more prominent in the mix, you can push it up to **80-90**.

- **Velocity**: For strings, keep the velocities **consistent** to avoid jarring dynamic shifts. Set velocity between **0 and +20**. If you need more expressiveness for legato or emotive playing, you can go up to **+30 to +40**.

- **Pan**: Strings can be **widely panned** to fill the stereo image.
  - Higher-register strings (violins): **-40 to -30** (left).
  - Lower-register strings (cellos/basses): **+30 to +40** (right).
  You can center some of the mid-range strings (violase, mid-strings) around **-10 to +10**, depending on your mix.

- **Reverb**: Strings benefit from **moderate reverb** to create a sense of space. Set reverb to around **50-70** to add depth. For more lush, orchestral textures, increase it to **80-100**, but be careful not to drown the other instruments.

- **Chorus**: Apply a **light chorus** to strings for richness and width. Set chorus between **10-30**. Too much chorus can make strings sound too "swirly" and unfocused.

---

### Additional Considerations

- **Adjusting in real-time**: During a live gig, you may need to adjust these values dynamically based on the acoustics of the venue or changes in the energy of the performance. For example, if the piano needs to be more prominent during a solo, increase its **level** and possibly reduce the **strings** a bit.

- **EQ (if available)**: If your sound module allows EQ adjustments, cutting some **low-mid frequencies (250-500 Hz)** from the piano and strings can help prevent them from clashing with the bass and drums. Similarly, **boosting high-mid frequencies (2-4 kHz)** on the snare drum can make it cut through better.

By using these ranges for **level**, **velocity**, **pan**, **reverb**, and **chorus**, you should be able to achieve a well-balanced mix for your live performance that allows each instrument to shine in its own space while still blending cohesively as a trio or quartet.

audiokid Sun, 11/10/2024 - 06:45

Basically I was wondering what you thought of the ai response in general. :) I'm trying to accept ai pro audio, it's going to take some getting adjusted too. (another topic lol)

If you want ...

The best we can help members is by hearing their mixes, thus, giving suggestions. I think that will help you a lot, fun too! There are few ways to upload audio, if you need help uploading, just ask me.

MC208 Sun, 11/10/2024 - 06:47

Sure I would be glad to upload a couple of the "before" MIDI files if you wanted to take a look. It says only MP3 is allowed. How would I upload MIDI?

MC208 Sun, 11/10/2024 - 06:55

I can record it from MIDI to MP3, but then you cannot check the MIDI parameters which is what I want to get adjusted so it wouldn't do me much good I don't think ?

audiokid Sun, 11/10/2024 - 09:16

Unless I'm misunderstanding... you should be able to learn what and how to change these setting based on the audio you produce < The final mix.

Example: if we think there is too much reverb on a snare (via your mp3 mix), then you would make these adjustments in the midi parameters.

audiokid Mon, 11/11/2024 - 04:44

First things that pop out as being too loud are:

  1. Closed Hi hat
  2. Hi crash cymbal
  3. Tight snare

The levels are all at 90. I'd drop them by 20. It's hard to say if those values are the exact level to be but those three all stand out being too loud.

Maybe the toms are too loud as well. This particular track / (song) doesn't call for upfront percussion but for another track, it may. Every song is different and you would likely change then again based on the type of music.

Is this the kind of help you are looking for?

MC208 Mon, 11/11/2024 - 05:52

Yes it is, thank you. However, I cannot adjust levels of the drum kit individually. But I am able to adjust velocities individually.

MC208 Mon, 11/11/2024 - 07:32

I already did like 50 of the songs yesterday. I guess I need to go back and lower the velocities of the drum kit. Is there by any chance an easier way to edit those parameters?

audiokid Mon, 11/11/2024 - 11:11

Excellent, 

If your drum editor allows velocities to be lowered without changing the attack or tone etc, that would do it. 

Are there more advanced GM editions or programs that would have better ways to edit drums?

MC208 Mon, 11/11/2024 - 11:14

I lowered the level to 85 and dropped the velocity to 20 on each component of the kit. I think it sounds better now.. The problem is that I have a lot of these files to edit, so just need to get through them in a hurry 😅

audiokid Mon, 11/11/2024 - 11:21

Excellent! 

Another suggestion that might be a way to adjust the volumes.

If you are able to make duplicate drum tracks and then just select the snare, hi hat, cymbals etc for each of those tracks, you could turn down the volume for each of those tracks.

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