For 10 points, name this double-reed instrument that is much lower in range than the oboe.
Though not a tuba, Wagner asked Wilhelm Heckel to extend its bell so it could reach a half-step below its normal range, to A1. This instrument solos in the "Tale of the Kalendar Prince" movement of Scherezade and plays the first melodies of the Allegro in The Sorcerer's Apprentice and "In the Hall of the Mountain King." It also represents the grandfather in "Peter and the Wolf." For 10 points, name this double-reed instrument that is much lower in range than the oboe.
Though not a tuba, Wagner asked Wilhelm Heckel to extend its bell so it could reach a half-step below its normal range, to A1.
{bassoon}