Is there anything less Yiddish than rap music? Still, Scott Bradlee and the Postmodern Jukebox was somehow able to merge the Jason Derulo and 2 Chainz hit rap single Talk Dirty with vintage Klezmer-style Yiddish music. “Klezmer” is of course the music style of traditional Eastern European Jewry. Vocalist Robyn even threw in some authentic Yiddish into their performance. The resulting cover…