Can a kick and snare hit at the same time?
As a general rule, yes.
Why is the snare on 2 and 4?
Snare drum
The kick's main compadre, the snare is higher in pitch, with a fundamental frequency usually around 150-300Hz. ... In most genres, the snare is found on beats 2 and 4 (the backbeat), providing a sense of push and forward motion.
Does a song need a snare?
A good snare will enhance a recording or performance as it intertwines and influences the whole song. A finely tuned snare drum can have a significant impact on the overall product. The ideal way to really capture a solid snare sound is to have a well-tuned drum, decent drummer, and a great recording room.