musical rehearsal
Refers to practicing a musical performance, typically for an ensemble or solo piece.
Tomorrow's musical rehearsal is from 3 p.m.
He devotes himself to musical rehearsal every day.
General practice or rehearsal; 演奏練習 specifically refers to musical performance practice.
Loanword for rehearsal, often used for stage or event run-throughs; 演奏練習 is more specifically musical and can imply ongoing practice rather than a final run-through.
Compound of 演奏 (musical performance) and 練習 (practice, rehearsal).