Sound Selection for Clearer Mixes begins with a clear listening goal. Mix clarity begins with sound choice. If two instruments occupy the same range and play similar rhythms, no amount of processing will make their roles immediately distinct.
In practical terms, this means making one decision at a time and checking it against the musical purpose of the track. Avoid copying a technique simply because it is common: context, genre, and the listener's attention determine whether it helps.
The most reliable way to develop this skill is to work in small, repeatable experiments. Assign every sound a job: pulse, foundation, hook, atmosphere, or transition. When two sounds share a job, choose the stronger one or give each a different octave and rhythm.
Before calling the work finished, compare it at a comfortable level with a relevant reference. Listen for the intended feeling first, then for balance, clarity, and whether the strongest musical idea is still easy to find.
Keep the result in context with the rest of your track. A good production choice supports the song's rhythm, emotion, and focal idea, then leaves the listener with a reason to come back.