The part of an audio recorder or mixer that can eliminate or emphasize certain frequencies is called the

Charlemagne's private chapel was in the city of __________

A. Prague B. Aachen C. Heidelberg D. Strasburg

A contrefact (or recomposition) refers to the process of

a. moldy figs coming to embrace the new music b. deterioration in the quality of jazz bands c. writing new melodies over old chord progressions d. improvising on the melody of an existing song