Intervals

Two notes played in succession, usually in one hand but sometimes in both, whose distance is the interval of a 2nd of any quality.

Intervals

Two notes played in succession, usually in one hand but sometimes in both, whose distance is the interval of a 3rd of any quality.

Expression

A simple melody line shared by both the right hand and the left hand.

Rhythm

Notes whose lengths are equal to one-fourth the value of a whole note.

Meter

An Italian term meaning "delaying"; an indication instructing the player to decrease speed, often gradually.

Rhythm

Symbols indicating that two notes are to be played as one with the value equal to their sum.

Rhythm

Notes whose lengths are four beats.