Cheaper to stage live (you can spend the money on theatrics instead, if you like), fewer takes. Composition blends into final recording, without an intermediate

Cheaper to stage live (you can spend the money on theatrics instead, if you like), fewer takes. Composition blends into final recording, without an intermediate step. [EDIT] You can basically have most or all of your non-vocal tracks ready before stepping into the studio. Maybe even some of the backing vocals, if you sample. [EDIT EDIT] see also: the state of movie soundtracks, which have in the last couple decades skewed towards rhythm-over-melody electronically-composed (and possibly finalized that way!) works, largely for reasons of cost and (related to cost) predictability.