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Remote Live Music-Making With Jamulus

For questions, contact brian@mountford.net.
If you feel moved to give back, consider making a contribution to C4.
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Contents

Introduction
Checklist
Hardware
  ​Buying Guide
Software
  Installation
  Configuration
  Connecting
  Using
​​Server​​
​Musicianship

Repertoire

Advanced Topics

Audio Routing
Engineering

Musicianship

Once we solved the most pressing technical problems, we realized that there were a range of non-technical problems as well. An effective, rewarding chorus experience over the Internet requires a little bit of retraining from the normal experience of being in the room together.

Simply put, it’s hard to get a good musical product from remote singing. Tuning is difficult, and of course the latency throws everyone off, because they feel like they are out of step with everyone else. Blend is much more difficult when joining together remotely. The microphone makes everyone sound uncomfortably exposed. And it’s hard to control the levels, making people prone to be much too soft, or alternately overload the microphone by singing much louder than they did when they were setting levels. So having overcome the technical hurdles just reveals that more work is necessary to get a satisfactory sound. Some of these problems can be solved with technology, but others require the same things that a regular choral performance requires: good command of the music, knowing what to listen for, and attention to vocal production.
​

Remember that what we are trying to do is hard. The hardest part – the technology – has been solved. Now the musical problems can be attacked. What will you do with this new platform?

Participation Etiquette

Rehearsals on a computer over a remote connection can have a more casual flavor than a regular chorus rehearsal. We should try to think of the rehearsals in the same way we would a regular rehearsal, though with necessary adjustments and allowances for the situation. In a regular rehearsal:
  • Singers try to arrive on time, or even a couple minutes early, to be able to exchange pleasantries with their artistic comrades in arms. If people are late, they steal in silently to avoid disrupting the rehearsal, and wait until later to socialize.
  • There is often a warmup period, but for the most part, each singer is responsible for their own tone, listening to their sound and making sure it blends with the ensemble.
Although the equivalents in a remote session of these person-to-person behaviors involve twiddling knobs on a software interface, they are just as important to a successful session.​

A note of moderation, though. In these trying times, it would be wrong to ban social interaction and chit chat in the name of rehearsal efficiency. Togetherness is important for a choral group, and we should not shortchange it.

Practicing

One thing that should work the same way in a remote session as it does in a regular chorus rehearsal is individual practice. If there are any tricky words, rhythms, notes, etc., singers should go over them beforehand to make sure they are ready. Of course, conductors and composers must do their part as well, by making scores and audio files available ahead of time.

In the livestream context especially, listening to how you sound is a great impetus for improving your technical setup, your posture and your vocal production. Luckily, Jamulus has a recording capability that captures each participant individually. The tech person can send out recordings after each rehearsal if desired.

Each singer can experiment by themselves as well. A Jamulus server can be started on your local machine. Start the Jamulus client, connect to the server, and record the output.
 Or bypass Jamulus completely, and just record yourself in your software tool of choice, such as Garage Band. Then just sing some things, and play back to see how they sound. After a half dozen attempts, I got much better at singing fully, without getting too loud and close to the microphone and overloading the system.

Setup

Every participant should make sure to be properly set up before arriving online. This involves going through a checklist:
  • Connecting to the Internet via a wired connection if possible.
  • Quitting out of extraneous applications on the computer.
  • Making sure any people sharing the Internet are not unnecessarily streaming HD feeds of themselves playing video games, etc.
  • Setting the Jamulus settings (Device, Buffer Delay, Jitter Buffer, Audio Channels, Audio Quality) to the proper values.
  • Connecting to the Jamulus server (before the session start time) to make sure that everything is working. This involves checking the input level meter while singing the highest, loudest note expected in the session, to make sure the input level is not straying into the red, which causes painful distortion for everyone. If running the Zoom app, make sure to uncheck “Automatically adjust microphone volume” in the Audio preferences, so Zoom doesn’t interfere with the level you set.
  • Making sure that the output is coming back in the headphones. It makes sense to mute yourself during the session, but when preparing, leave yourself unmuted, and make sure you can hear a delayed version of yourself. If you cannot, there is probably something wrong.
  • Making sure that the sound is not too full of crackles from a poor connection. If technical problems prevent a clean sound, let the moderator of the session know. It may be better not to participate in the session. Think of this as someone with a cough sitting out a rehearsal.
  • Panning to the correct place in the stereo field if possible. I suggest sopranos toward the left, altos a little left, tenors a little right, basses toward the right. Some people have setups that don’t allow panning, in which case don’t worry about it.
Again, all these things should be done before the session begins.

Accommodating Latecomers Using the New Client Level Setting

Latecomers are inevitable. Just as in a regular rehearsal, they should enter in a non-disruptive fashion. This is a little more complicated in a Jamulus session, but doable.

It is crucial to avoid having the latecomers crash noisily into the virtual room, since they have no way of knowing what is happening until they connect. Luckily, there is a technological solution. In the Jamulus Settings window, everyone can set the New Client Level to 0. When a latecomer connects, they will then automatically be silent in everyone’s mix. So even if their audio system is misconfigured, and starts feeding back, it won’t disturb the session and destroy people’s ears.

The latecomer can then spend a few minutes making sure that their levels are correct, that they are panned, all the setup steps listed above. They can mute everyone but themselves to do this. Since they are muted in everyone else’s mix, this will not disturb anything. When they are sure they are ready, they unmute everyone and send a message in the chat window that they are ready to join. At an appropriate break in the action of the session (e.g. between takes), everyone can then unmute the latecomer.

This procedure was helpful in the beginning, but has become less important over time, as singers get better at making sure their system is properly configured before joining.
C4 is funded in part by:
The New York City Department of Cultural Affairs
NYSCA
The Rea Charitable Trust
C4 is a proud member of:
​
New York Choral Consortium
New York Choral Consortium
Chorus America
C4 Network
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