Dynamic Variances
Dynamic Variances are terms or symbols indicating change from soft to loud or loud to soft.
Name	Notated	Performed as
Crescendo	cresc.	Gradually play louder
Decrescendo	decresc	Gradually play softer
Diminuendo	dim.	Play to diminish (decresc )
Rinforzando	rfz	Play to reinforce
Sforzando	sfz	Play forcibly