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