ABC      X C1:Code 1          C2:Code 2          M:Meter K:Key          H:Headers T:Title
---      - C1:------          C2:------          M:----- K:---          H:------- T:-----
ABC      1 C1:000007012000030 C2:duuudduuddduudu M:4/4   K:A            H:"CR    T:r4 across, r4 sides