I've never had any discipline whatsoever. I just wait on a song like I was waiting for lightning to strike. And eventually-usually sometime around 3 in the morning-I'll have a good idea. By the time the sun comes up, hopefully, I'll have a decent song.
Source: found at azquotes.com
-- John, (Oct 10 1946-2020), US singer, songwriter; He was known for an often humorous style of original music that has elements of protest and social commentary.