I'm a Bass player and double bass player (graduated from french state school of music with marks like 18 or 19 / 20 with unanimously congratulations of the jury ).
I propose bass courses ( in Nice- France ) and pedagogic vidéos: 20 Euros / hour ( or 70 for 4 hours paid at the same time instead of 80 E).
20 Euros / pedagogic vidéo.
See the blog below to see me and ear extracts of bass.