What is Compose ?
Compose is (verb) 1. to write something, using your intelligence He sat down to compose a letter to his family. It took Mozart only three days to compose his fifth piano concerto. Who composed the music to ‘Doctor Zhivago’? 2. to compose yourself to make yourself calm (formal.) She paused for a while to compose herself before going out on stage again.
source: Easier English, Student Dictionary Upper Intermediate Level