A rhythm section (also called a backup band) is a group of musicians within a music ensemble or band who provide the underlying rhythm and pulse of the accompaniment, providing a rhythmic reference and beat for the rest of the band.
Your Samsung Galaxy S3 android phone has water damage indicators to tell whether your phone was in contact with water or any liquid. It is difficult to find these indicators as they are different for each carrier. If your android phone was dropped in water, You can try to repair your water damaged android phone.
1 If you do find a red indicator on an iPhone, it means that the device may have been submerged or exposed to water or other forms of liquid over a prolonged period.  Take your iPhone to the nearest service center once you find it to have water damage to prevent serious problems.