Astoria Boulevard auditions for Music Under New York (MUNY) at Grand Central Station. Lars Hoel/NPR hide caption

itoggle caption Lars Hoel/NPR

Lady Gaga in her controversial video for "Telephone." courtesy of artist hide caption

itoggle caption courtesy of artist

Miro, Bulgaria's contestant, rehearses for the semifinals of this year's Eurovision Song Contest. Nigel Treblin/AFP/Getty Images hide caption

itoggle caption Nigel Treblin/AFP/Getty Images

Luis Diaz (from left), Jenny Undercofler (music director), David Valbuena, Nico Muhly (composer), Haley Gillia, Ramin Abrams, Ethan Cohn and Amanda Lubin of Face the Music. Joan Jastrebski hide caption

itoggle caption Joan Jastrebski