Night four had its fair share of surprises with a wannabe Donna Summer performance of “Bad Girl;” a Gabby Barrett fan singing a tribute to the former Idol, who finished third in her season; a former child beauty pageant contestant; a duet with Lionel; and a performance of a Katy Perry song. Following is a list of singers competing on Sunday night’s episode. Many sang their way to a golden ticket to continue their American Idol journey, but just as many others got nos. Abby LeBaron, 19 Springville, Utah Social Media Manager Alyssa Wray, 18 Perryville, Ky. College Student Anthony Key, 27 Merriville, Ind. DJ Ash Ruder, 22 Turlock, Calif. Social Media Manager Beane, 23 Boston, Mass. Wedding Singer Caleb Kennedy, 16 Roebuck, S.C. High School Student Cameron McGhar, 16 Clanton, Ala. High School Student Cheryl K, 24 Malaysia Singer Heather Russell, 20 Toronto, Canada Musician Laila Mach, 15 New Paltz, N.Y. High School Student Michael Gerow, 16 St. Louis, Mo. High School Student Murphy, 27 Baltimore, Md. Musician Re’h, 27 Houston, Texas Army National Guard American Idol airs Sunday night at 8 p.m. ET/PT on ABC.