A double bar with dots is a repeat sign. It means go back to the beginning and play the whole section again. If the dots are on the left of the lines go either back to the beginning or look for one...
"Answer.
a double bar line is what music is played on ( i am 12 years old)"
No...not at all...
A double bar-line indicates the end of a section. When the second line is thicker than the first,...