Plus, Johann Sebastian Bach played the violin, brass, contrabass, cello, oboe, bassoon, horn and most likely flute and recorder. There were more instruments, which are not even around in a common orchestra any more today, and he was able to perform with them.
You didint prvide any examples so ill just give you the definition. (in a cross-shaped church) either of the two parts forming the arms of the cross shape, projecting at right angles from the nave. Noun