Fortissimo
FF very loud
Forte
Loud F
Mezzo forte
MF medium loud
Mezzo piano
MP medium soft
Piano
P soft
Pianisimo
PP very soft
Dynamics
Loud and soft in music
Triad
Cord consisting of the route third and fifth of the scale
Power cord
Cord consisting of the root and the 5th of the scale
Chord
Three or more pitches sounding at the same time
Melody
Single line of music the main tune
Harmony
Two or more pitches sounding together
Decrescendo
Gradually get softer
Crescendo
Gradually gets louder