In almost 100 pages of reference notes, Oates occasionally tells us that he has inferred, simulated or created.

People with amusia usually cannot produce a note when they hear even with a reference note.

Musicians with perfect pitch are able to identify any musical note without comparison to a reference note.

Each clef is shown in its proper position on the stave, followed by its reference note.

The reference notes for this article begin on page 267.

The room was evidently Lang's study, for it had a desk piled high with papers, books, and sheaves of reference notes.

A researcher sought his aid a few weeks later and fumbled out a thick pile of reference notes.

The root is often confused with the tonic, which is the reference note of a scale, rather than that of a chord.

As the game progresses, the reference note ceases to be played and the player must rely on his intuitive sense of pitch.

His narrative flows uncluttered by needless reference notes - there are some, but they nearly all refer to primary sources.