unit three: accidentals and keys up to 2 flats/sharps
Accidentals rule
Important rule of accidentals:
An accidental on a note within a measure applies to that note for the whole measure. For example, if an F# is written in a measure, every F for the rest of the measure is sharp, unless it's cancelled out by another accidental.
An accidental on a note within a measure applies to that note for the whole measure. For example, if an F# is written in a measure, every F for the rest of the measure is sharp, unless it's cancelled out by another accidental.