Complex sentence: A Yakshagana performance begins at the twilight hours with the beating of several fixed compositions on drums called "abbara" or "peetike" for up to an hour before the actors get on the stage.
Split into simpler sentences: A Yakshagana performance begins at the twilight hours with the beating of several fixed compositions on drums called "abbara" or "peetike". This lasts for up to an hour before the actors get on the stage.