other signs
Signs that indicate how a note or series of notes should be played.
pause 
Sign indicating that the note can be prolonged for as long as desired.
arpeggio 
A chord whose notes are played in rapid succession, starting with the lowest.
accent mark 
Sign indicating that a note should be played louder.
chord 
Three of more notes played simultaneously.
tie 
Curved line indicating that the first note is prolonged by the value of the note or notes following it.