Rock with Bands' The term 'Rock with Bands' is a phrase used to describe a person who plays in a band. The term is derived from the word 'AGATE, ' which is a type of rock that is often used to make jewelry and other decorative items. AGATE is known for its unique patterns and colors, and it is believed to bring good luck to those who wear it. As such, the phrase 'Rock with Bands' is often used to describe someone who is passionate about music and enjoys playing in a band.