A music club in Cannery Row in Nashville, Tenn., may seem like an unlikely place to recruit a new law partner. But for entertainment law firm Leavens, Strand & Glover LLC, there was no better setting. “Our fortuitous meeting at the Mercy Lounge was the perfect beginning for our artistic and legal collaboration,” said Hillel M. Frankel. Frankel has joined Leavens, Strand & Glover as a partner and launched the firm’s Nashville office this week. It is the firm’s first office outside of …