There are two cds published by Hungaroton, a Hungarian label, by József Bazsinka with tuba. Both are modern XX. century music, If you need help to get them, I could help you.
http://www.hungaroton.hu/.
BAZSINKA JÓZSEF (tuba)
HULLÁMOK,
French Connection,
http://www.hungaroton.hu/.
BAZSINKA JÓZSEF (tuba)
HULLÁMOK,
French Connection,