Piccolo Flute:
Gareth Davies of the London Symphony Orchestra
https://www.youtube.com/watch?v=_5w5TVK5B90
Bass Flute:
Pasha Mansurov, a Professional Flutist from Russia
https://www.youtube.com/watch?v=r1fffxjO2o8
Subcontrabass Flute:
Stefan Keller, a Professional Flutist from Switzerland
https://www.youtube.com/watch?v=S9Nz0UGuQyc
Piccolo Clarinet and Contrabass Clarinet:
David Gould (Piccolo Clarinet) and Cyrille Mercadier (Contrabass Clarinet)
https://www.youtube.com/watch?v=d-aqcHlSFEI
Sopranino Saxophone and Bass Saxophone:
Jim Cheek (Sopranino Saxophone) and Scott Jenkins (Bass Saxophone)
https://www.youtube.com/watch?v=3dpCB-a6dEU
Subcontrabass Saxophone:
[No credit name given]
https://www.youtube.com/watch?v=8zYctEzS5Fg
Piccolo Trumpet:
Dr. Jack Burt, Associate Professor of Trumpet at the University of Maine
https://www.youtube.com/watch?v=XrIrK85ypws
Bass Trumpet:
James Morrison, Professional Trumpeter from Australia
https://www.youtube.com/watch?v=DXbASABjtS8
Piccolo French Horn:
Marine Romo Vivancos, with Xavier Diaz Herrera on Sopranino Clarinet
https://www.youtube.com/watch?v=A2fXbBr2yMc
Contrabass French Horn:
John Elliott
https://www.youtube.com/watch?v=bC3UvJpxXO8
Piccolo Trombone:
[No credit name given]
https://www.youtube.com/watch?v=NQhVfYHnyp0
Contrabass Trombone:
Karl Wiederwohl
https://www.youtube.com/watch?v=Y9t2qrL9Q7I
Big Carl the Tuba
Derek Fenstermacher
http://www.nytimes.com/video/nyregion/100000003126938/playing-a-titanic-tuba.html
