Multimedia1. Murray Campbell demonstrates that putting a sock in the horn of an early 20th century HMV horn gramophone modifies the loudness and timbre of the radiated sound, but does not change the pitch of the music.
Multimedia2. Joël Gilbert demonstrates the use of bass trombone plunger and straight mutes in the Glenn Miller arrangement of “Tuxedo Junction”.
Multimedia3. Murray Campbell demonstrates the transposing effect of a baroque trumpet mute, and explains why modern trumpet straight mutes are non-transposing.
Multimedia4. Lisa Norman demonstrates hand technique on a natural (valveless) horn.
Multimedia5. Arnold Myers demonstrates the use of a straight mute on a tuba.