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anacrusis
pickup; upbeat
Mordent
An ornament made up of a main note, the note above (or below) the note and the main note again, all played as quickly as possible in the time of the main note
binary
a musical form consisting of two units (A and B) constructed to balance and complement each other
ternary
a three-part musical form in which the third section is a repeat of the first; hence ABA
appassionato
passionate, fervent
polymeter
the simultaneous use of two or more meters; sometimes applied to the successive use of different meters in one or more parts
affetuso
tenderly, with feeling
a piacere
indication for the performer to play according to their own pleasure, particularly with regard to tempo
calmato
calm, tranquil
comodo
at a comfortable, easy tempo
Bitonality
simultaneous use of two different keys
antiphony
a series of musical answers sung back and forth between groups
collé bowing
a bow stroke in which the bow is placed on the strings from the air and at the moment of contact the bow is lightly but sharply pinched