middle Cs
Keyboard's central pitches
Middle Cs are the notes at or near the center of a piano keyboard, roughly in the middle of the range of human hearing and singing.
Middle C serves as a reference point for reading music and learning instruments: She practiced her middle Cs until they rang clear.
The plural typically appears when discussing multiple instances or repetitions of the note.
pitch
Frequency of sound
bass · ledger line · note · tone · frequency · C4 · tuning fork · reference · standard · written
keyboard
Array of input keys
upright · tuning · scales · arpeggios · ledger lines · fingering · beginner · lessons · sight-reading · warm-up
middle Csstraight As
All top grades
honor roll · failing grades · flunking · dean's list · valedictorian
middle Csexcellence
Outstanding quality or merit
brilliance · mediocrity · exceptional · extraordinary · stellar