[header] How to lead a band rehearsal [title] Determine the type of rehearsal you want to hold. [step] Band rehearsals can be held for several reasons, most notably as " jam sessions, " in-depth practices, or dress rehearsals. [substeps] A jam session is a relatively unstructured type of rehearsal. 
Rather than trying to address imperfections in the music, the band will play through a lot of material-often material that is either familiar or improvised. Jam sessions allow the band members to develop their overall sound, get more comfortable playing with each other, and have fun.