For example: jay-z - empire state of mind (which is 174 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.