12 Solos, for a Violin or Hautboy with a Bass, Op posth, part 1. PF 186 for violin & piano written by N. The format of this sheet music is Performers’ Facsimile and it’s published by Broude Brothers. 12 Solos, for a Violin or Hautboy with a Bass, Op posth, part 1. PF 186 is part of the following sheet music categories: N.