Match the following. 1. (accel. ) a gradual quickening of tempo beat 2. return to the original tempo music notation 3. a steady pulse in a regular pattern accelerando 4. a small meter pattern separated by bar lines rhythm 5. the main tune in a piece of music measure 6. the set of symbols used to write music down a tempo 7. the forward movement of music in time and the basis for "keeping time" in music melody