These are the only etudes Grigoriev composed specifically for tuba. They are very musical with a distinctive Russian style.

Grigoriev makes use of every major and minor key, legato and marcato styles, and wide range.

Although conceived for BB^b tuba, these etudes are for all tubas including CC, F and E^b.

With instructive text by L. Keating Johnson, additional text and musical examples by Wesley Jacobs,

Grigoriev 50 Etudes is a very comprehensive book for tubists.