Adam Levine and Train perform Prince's "Purple Rain" at Howard's 2014 Birthday Bash on SiriusXM! Get more Howard Stern by signing up for a free SiriusXM trial: sxm.app.link/HSlisten Want to know what's going on with Howard Stern in the future? Follow us on Twitter: bit.ly/1RzxGPD On Facebook: on.fb.me/1JELtz3 On Instagram: goo.gl/VsWTND For more great content from the Howard Stern Show visit our official website: HowardStern.com Hear more Howard Stern by signing up for a free SiriusXM trial: goo.gl/uNL0Du #HowardStern #AdamLevine #PurpleRain #Prince #Maroon5 #CoverSongs #LiveMusic #SternShow #BirthdayBash