---
language: en
updated-at: 2026-10-28
---

App Store release pending

MixSift guide

# Use a separated bass stem to study a bass line

Listen to the estimated Bass part, compare it with Drums and Other, and turn uncertain passages into focused practice questions.

Updated 28 October 2026

## Choose one listening question

An isolated Bass estimate can make a phrase easier to hear, but it is not notation or an authoritative transcription. Pick a concrete question: where does a note enter, how long does it last, or how does the bass relate to the drum pattern? Work from a completed four-stem project; see [the shared setup](/guides/remove-vocals-locally-mac) if needed.

![Two practice goals: turn a part down to play it yourself, or listen to that part to study it. Both begin with the same four estimated groups.](/assets/practice-goals-diagram.svg)

Playing along and studying a part call for different listening balances.  
Original conceptual diagram, not MixSift UI or an audio result. Separation can leave bleed; a quiet group is not proof that its instrument is absent elsewhere.

[View full-size diagram ↗](/assets/practice-goals-diagram.svg)

MixSift does not produce MIDI, tablature or a note-by-note transcript. Treat what you hear as evidence to check against the full recording and your instrument.

## Move from isolation to context

1. Choose Full Mix before making study adjustments. This replaces existing Level, Mute and Solo settings. Turn on Solo for Bass and make sure Bass Mute is off.

2. Listen to a short passage with one question in mind. If Bass is silent, check Mute before raising Level: Mute takes precedence even on a soloed stem.

3. Add Solo on Drums to hear Bass and Drums together. Multiple available soloed stems can play together; clear Drums Solo when you want Bass alone again.

4. Clear all Solo selections to hear the ensemble. Compare the same phrase with its harmonic and rhythmic context, then try playing the phrase yourself.

Keep a comfortable listening level. Master Volume changes audition loudness, not the saved stem or a later Export Mix. Level is attenuation-only, from −60 to 0 dB.

## Handle uncertain notes without guessing certainty

A note that seems absent may have been assigned partly to Other, masked in the source or altered by separation. Briefly compare Other and the full mix before concluding that the musician played a rest. A low kick hit can also distract from the bass onset.

For a learning note, describe the uncertainty in words such as “check the entry after the fill” rather than treating the separated audio as a verified score. Return to the complete recording when timbre or attack seems implausible.

## Switch deliberately to playing along

Once you have a phrase to practise, you may want accompaniment without the recorded bass. Clear study Solo selections first, then follow [the bass backing-track guide](/guides/create-bass-practice-backing-track). A Bass Solo study balance and a no-Bass performance balance serve opposite purposes.

No audio was processed for this guide. How much detail you can learn depends on the recording and its separation artifacts.

## Continue with a related guide

[What the four groups contain](/guides/four-stems-and-other)

[Save one balance or separate parts](/guides/export-practice-mix-vs-stems)

[All guides](/guides)

Audio processing on your Mac.

Prelaunch · Public availability unverified.