I notice you're asking for a guide about — but based on available records and cultural references, this name does not clearly correspond to a widely known historical figure, author, poet, or scholar in mainstream Islamic, Sufi, or South Asian literary traditions.
Launy Grøndahl’s Concerto for Trombone and Band (1924), arranged by Poul Ivan Møller (1984), in a new critical edition (2018) by David J. Miller.
Cincinnati Symphony's Assistant Principal Trombonist Joseph Rodriguez performs the world premiere of David J. Miller's critical edition of Launy Grøndahl's Trombone Concerto.