Would Bruce Gandy be an odd choice for Messiah (Handel)?
Let's be accurate as possible. Think before you answer.
yes
Messiah (Handel) is a 1741 Oratorio by George Frideric Handel.

Messiah (Handel) requires the following instruments: 2 trumpets; timpani; 2 oboes; 2 violins; and a viola.

Bruce Gandy is a world renowned bagpipe player.

.

Thus, the answer is yes