What is a song and why do we hear to it?

A song is a musical composition indead to be performed by human voice.We listen it cause it can relate our fellings,emotions e.t.c

daylight saving time (dst) has been used for more than 100 years. changing the clocks does not create extra daylight, but it causes the sun to rise and set at a one of the aims of dst is to make sure that people's active hours coincide with a german analysis of 44 studies on energy use and dst found a positive