For example: the beatles - all you need is love (which is 103 BPM, by the way)
Babysounds
Safe and Sound
Seagoing Ship Along Coast with Low-speed Engine
Sleep Portions
Sleepy Little Mind, Pt. 2
Tiny Hands Clapping
Tot's Sleepless Passage
Find the best workout music at jog.fm
Find the songs with BPMs to match your running, walking, cycling or spinning pace.