J. Grubaugh and S. Seifert
Cello made by J. Grubaugh & S. Seifert i Petaluma in 2016. The instrument is lent to Barratt Due Musikkinstitutt.
J. Grubaugh og S. Seifert
Cello made by J. Grubaugh & S. Seifert in Petaluma in 2017. The instrument is lent to Barratt Due Musikkinstitutt. (Illustration photo)