LSJ
speak Lydian, Hippon. in PSI 9.1089.1.
play the Lydian, of Magnes, in reference to his play called Λυδοί, Ar. Eq. 523; Λυδίζειν τὴν στολήν Philostr. VA 5.32; — in Phot. and Suid. also Λυδιάζω.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)