How to grease the slide:
https://www.youtube.com/watch?v=tl_FbXeJAqc
How to put the trombone together and hold it:
https://www.youtube.com/watch?v=z-Yj_jLNKKg
How to buzz on the mouthpiece:
How to read Bass Clef:
https://www.youtube.com/watch?v=PMk-q5LCiAs
How to play a “D” on Trombone
https://www.youtube.com/watch?v=Q7K_u28OzDQ
How to play a “C” on Trombone
https://www.youtube.com/watch?v=v0oxlQZCRhk
How to play a “Bb” (aka B flat) on Trombone
How to Tongue on the Trombone
https://www.youtube.com/watch?v=gGW0YskMeas
How to play a “D” on Trombone
https://www.youtube.com/watch?v=Q7K_u28OzDQ
How to play a “C” on Trombone
https://www.youtube.com/watch?v=v0oxlQZCRhk
How to play a “Bb” (aka B flat) on Trombone