The bass?
To play 16th notes on a musical instrument, you need to play four notes for every beat. This means you play twice as many notes as you would for 8th notes. Practice playing these notes evenly and quickly to maintain the rhythm.
lute
harp
mike?
Shvi, siku
stab
There are four syllables in the word im-pos-si-ble. Hence, it would need four notes to provide pitch for this word.
lute, lyre, harp, drum
cord
Could be a Yazh which is a Chordophone. a Pena which is a bowed instrument. A Pepa which is a single reed instrument. A Dhad is a hand drum
Four (4) quarter notes are equal to two (2) half notes.
Combine two discordant notes in the high register to produce fractured harmonic. Experiment to find the harmonic that is complimentary to the note required/desired.