Enharmonic
Same note, different note name
Ensemble
(French) A group of musicians performing together
Equal temperament
A way of tuning an instrument so that the octaves are at equal intervals, and the notes in between are divided into 12 notes at equal distance
Es
(German) E-flat
Espressivo
(Italian) Expressively
Estribillo
(Spanish) Refrain
Etude
(French) “study” A short piece written to help a musician practice a certain technique
Etwas
(German) Somewhat
Expression
The different nuances within a piece of music, i.e., loud and soft