You will listen to some light rain recorded under a roof. This is a perfect noise for falling asleep, concentration, study, calming down and relax. 

this is a perfect sound for falling asleep, study, concentrate, relax, calming down. It is a summer day with a far away thunderstorm rolling by. 

a relaxing sound of a small river running in Austria, good for concentration, relaxing, learning, easy sleep. Nature sound!

a relaxing sound of a small river in Austria, just good for relaxing, studying, concentration, easy sleep. Nature sound.

listen to some relaxing driving sound, driving a small car 

great noise for concentration, calming down, relax