The first one I made right now! Some of the songs on which the theme is based are too esoteric for mainstream or bestcrosswords so I'm putting them here. Fill might be a little slapdash.
American Music - Take One.puz [2.33 KiB]
Downloaded 335 times
The second I found lying around on my PC and I kinda liked it - Monday sort of a theme etc.
's.puz [2.26 KiB]
Downloaded 341 times