Bowed instruments such as the violin, viola, baryton, and various lutes dominated popular music. Haydn began composing baryton trios in 1765. Of these, 126 are trios for viola, cello and baryton. Thus, tracing the history of the baryton is a difficult task. With the revival of the baryton, a body of recorded work has gradually emerged. In 2009 he composed a Rhapsody for Strings (Mezzo-Soprano or Baryton ad lib.). A complete documentation of the Jaura Baryton is available at the Orpheon Foundation web site. There are 3 concertos for baryton known but lost or have doubtful authenticity. Over the next ten years Haydn wrote "nearly 200" compositions for various ensembles with baryton. He also plays the baryton, for which Joseph Haydn composed around 150 works. He also plays the baryton, a rare instrument associated with music of Joseph Haydn. Of these, the predominant genre was the baryton trio. Finally, in 2004, Pagny released "Baryton", an album composed of opera songs. For full information, see baryton. The baryton can be viewed as a sort of augmented bass viol.