Abraham ibn SAHL won such renown that the Arabs, notorious for parsimony, gave ten gold pieces for one of his songs.
"Jewish Literature and Other Essays"
Gustav Karpeles
A more correct translation would be: There was a certain old man by name of Azad Serw living in Merv with Ahmad son of SAHL.
"Iranian Influence on Moslem Literature, Part I"
M. Inostranzev