When you think of bands, you may think of a famous pop or rock music group. They represent one kind of band. There are actually a variety of bands that we can enjoy. Marching bands often perform in parades. Concert bands perform indoors, seated. Brass bands are often formed in the military. Then there is what we call "Big Band" music; this is large dance or jazz band music from the era of the mid-twentieth century. A garage band is a group of musicians that practice in someone's garage!
The main idea in this passage is:
Most of us think bands are for pop or rock music.
A group of musicians who practice in someone's garage are a garage band.
Marching bands perform in parades.
There are actually a variety of bands.