never finished high school and ended up hitting rock bottom. Jonathan Groff played Jesse St. James, the male lead of rival glee club Vocal Adrenaline, and Idina Menzel appeared as Vocal Adrenaline director Shelby Corcoran, who is revealed in "Dream On" to be Rachel's biological mother. Fans had originally lobbied for Menzel to be cast as Rachel's mother due to the strong physical resemblance between Menzel and Michele. Eve played the Jane Addams Girls Choir director Grace Hitchens, having been cast after Whitney Houston declined to appear. Michael Hitchcock appeared as the Haverbrook School for the Deaf choir director Dalton Rumba. Sarah Drew played Suzy Pepper, a senior with "an insane, absurd, psychotic crush on Mr. Schuester". Drew described Suzy as "kind of stalkerish and creepy", but ultimately redeemable. Gregg Henry and Charlotte Ross appeared as Quinn's parents, Russell and Judy Fabray, and Molly Shannon played Brenda Castle, an alcoholic astronomy teacher and badminton coach who clashed with Sue. Neil Patrick Harris guest starred as Bryan Ryan, Will's former glee club rival, now a school board member bent on vengeance against the club. Murphy created the role particularly for Harris, who received clearance from CBS to appear on Fox for the episode. Music The show's musical performances proved to be a commercial success, with over seven million copies of Glee cast single releases purchased digitally. The cast performance of "Don't Stop Believin' reached number two in the United Kingdom, and number four in the US and Ireland. It was certified gold by the Recording Industry Association of America (RIAA) on October 13, 2009, achieving over 730,000 digital sales. The cast had their first number one single with a cover of "Gives You Hell" in Ireland. By June 2010, the cast were second behind the Beatles for most chart appearances by a group act in the Billboard Hot 100's 52-year history, and seventh overall among all artists, with 71 appearances. The series' cover versions have also had a positive effect on the original recording artists, such as for Rihanna; sales of "Take a Bow" increased by 189 percent after the song was covered in the Glee episode "Showmance". The series' debut album, Glee: The Music, Volume 1, reached number one in Ireland and the UK and was certified platinum by the Australian Recording Industry Association (ARIA), Canadian Recording Industry Association (CRIA), and British Phonographic Industry (BPI), and gold by the RIAA.