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Stem Splitter Docs

Use Cases

Listen to a recording, make notes, and share it with your class.

The “Stardust” example below comes from the CAIL Teaching Tools demonstration. The examples that follow suggest ways to listen, share recordings, and make notes with your own class.

Listen to vocals and drums

In the demonstration, the instructor split Willie Nelson's “Stardust” into six stems. A note at 1:10 asked students to listen to vocals and drums together, then try vocals with another stem. Listening Guy could read the note.

The mixer for Willie Nelson's Stardust, with drums soloed and a Listening Guy conversation alongside it
The mixer and Listening Guy conversation in the demonstration.

Listening Guy muted the other stems, but it could not identify an exact moment in the recording, so the students listened to find it themselves.

In the mixer, students can listen to parts on their own, slow down a passage, and add notes at moments they want to return to. A stem may contain more than its label suggests.

Shared Notes

You can prepare a recording on the Splitter tab, then add it to a class folder set to Class: listen and add notes. Students can open the recording without using their daily allowance for splitting recordings. They can listen and pin notes about specific passages. See Sample Activities for more ideas.

During discussion, click a note's timestamp to return to the passage. Play it for the class and ask students how they would describe the passage and whether they agree with the note.

Listening Guy

After listening, students can ask Listening Guy about the recording and use their notes to consider its response. Listening Guy does not receive the recording or its waveforms, so students need to listen to check its descriptions.

For a group activity, lead a live session on a shared course recording. Choose Start sharing playback in Split actions, and students open that recording and choose Follow instructor in the same menu. Pause at a note and allow a few seconds for everyone to reach the passage. If audio is blocked, they can choose Join shared audio. Ask students to leave the app visible, since a hidden tab pauses their audio. They can still use their own mute switches or choose Stop following to listen independently.

Access and File Expiry

Students choose a course under Share with and check the acknowledgment before creating new course work. Other work can stay under Personal. Instructors choose whether classmates can only listen and read notes or also add notes. Class folders do not extend the 90-day retention period, so download any stems you need before they expire. See Sandbox Docs for the Lab's companion tool.