Helping to make a drum head about 40 inches across. Another will be made in a few weeks to go on the other side of the drum, which itself is about 40 inches deep.
[Raak] Why do you need a 40x40 drum? Are you taking up Taiko or planning to serenade the neighbours with the Dies Irae of the Verdi Requiem? (I ask out of professional curiosity as a percussionist)