Instrumentation - The art of composing, orchestrating, or arranging for an instrumental ensemble.

Non troppo - Not too much. Used with other terms, e.g. non troppo allegro, not too fast.

Hardanger fiddle - folk violin of western Norway; 8/9 strings; narrower, shorter-necked and more arched than the ordinary violin.

Roll - On percussion instruments, a sticking technique consisting of a rapid succession of notes:

Projection - When referring to musical instruments, projection is used to describe the carrying power of its tone and the ability to be heard clearly in ensemble.

Gilo stones - (Solomon Islands, Pacific) music is created by striking certain stones with bamboo sticks of varying lengths, prodrucing mellifluous xylpophonic sounds, like running water.

Music - The organization of sounds with some degree of rhythm, melody, and harmony.

Eighth note/rest - A note/rest half the length of a quarter note and an eighth of the length of a whole note.

Grand piano - A piano with a winglike shape and a horizontal frame, strings, and soundboard.

Inversion - As applied to music the term may be used in both melody and harmony. Melodic inversion: an exchange of ascending and descending movement, e.g. c up to f in descending becomes c down to g. Harmonic inversion: the position of the chord is changed from root position (root on the lowest pitch) to first inversion, with the third, or second inversion, with the fifth in the lowest voice. An example: root position c-e-g; first inversion e-g-c; second inversion g-c-e.

Un poco - A little.