They change the pitch of the timpani.
It changes the pitch of the Timpani.
It changes the pitch of the timpani/tympani
This depends upon the individual instrument. Most timpani have a range of a perfect fifth, with some able to extend to an octave. To see the exact range of the different sizes of timpani, click on the related weblink below.
The Timpani sound is produced by hitting the top of it with a mallet.
Timpani
Yes
False
The timpani are large drums that are tuned using a foot pedal. When you press down on the pedal the pitch of the timpani rises, and when you release the pedal the pitch falls. The timpani are played usually with soft sticks, or mallets, but sometimes the player is directed to play with wooden mallets or even maracas (shakers)! Timpani are made with a copper or fibreglass shell and a plastic head (drum skin). Just an FYI, timpani is an Italian word, making the singular timpano, and the plural timpani.
The timpani. Everything really has a pitch, when you think about it.
a Timpani
Yes. Timpani drums can be tuned to play different pitches. Some musical pieces even require that the timpani be retuned during the piece to play a separate pitch.