Question: Who is the lead singer of Journey Jaime St. James or Steve Perry?

Context paragraphs:
Black 'n Blue: Black 'N Blue is an American heavy metal band from Portland, Oregon.  The current members are singer Jaime St. James, bassist Patrick Young, drummer Pete Holmes, guitarist Bob Capka, and guitarist Brandon Cook.

In the Beginning (Journey album): In the Beginning is the first compilation album from the rock band Journey, containing songs from the group's first three albums ("Journey", "Look into the Future", and "Next").  The songs on this album are all taken from the period where Gregg Rolie sang lead vocals, before Steve Perry joined the band as their new lead singer in 1978.

The Essential Journey: The Essential Journey is a compilation of songs from the rock band Journey.  Released on October 16, 2001, it is part of Sony BMG's "Essential" series of compilation albums.  The album includes most of Journey's major and minor hits that have charted on "Billboard" Hot 100.  It covers material recorded while Steve Perry was lead singer of the band, from the album "Infinity" of 1978 to 1996's "Trial by Fire", neglecting Journey albums recorded before and after his membership.  The first disc is "Greatest Hits" with some minor changes concerning tracks being in a different order and "After the Fall" replacing "Be Good to Yourself".

Steve Perry: Stephen Ray "Steve" Perry (born January 22, 1949) is an American singer, songwriter and record producer.  He is best known as the lead singer of the rock band Journey during their most commercially successful periods from 1977 to 1987 and again from 1995 to 1998.  Perry had a successful solo career between the mid-1980s and mid-1990s.

Raised on Radio Tour: The Raised on Radio Tour was a concert tour by the American rock band Journey.  The tour was the last with lead singer Steve Perry.  Session players Randy Jackson and Mike Baird played bass and drums, respectively, as Ross Valory and Steve Smith were fired during recording sessions for the album.  Valory and Smith, however, earned their percentage of the profits from the tour.

St. James College of Parañaque: St. James College of Parañaque (S.J.C.P.) was a private, non-sectarian academic institution established by Jaime T. Torres, a successful businessman involved in brokerage, real estate and agricultural development business, and Myrna Montealegre-Torres, a former educator at the St. Jude Catholic School and Stella Maris College.  Opened in 1987 as St. James School of Parañaque, it was the second branch of the St. James College System (established in 1971) which includes other schools in Quezon City, Metro Manila and Calamba City, Laguna.  The school was located at 8408 Dr. A. Santos Avenue (more popularly known as Sucat Road) in Parañaque City.  Its chancellor and dean of education is Dr. Norma M. Abracia, and its principal is Nilda Sergio.  On March 2012, the school ordered its closure and was demolished to give way for SM City BF Parañaque, and currently the front portion was converted into an open parking space and the rear buildings of the campus are still intact.  All documents such as Form 137, Transcript of Records, certification, diploma for alumni are processed/transferred at the Quezon City campus.

Rockaholic: Rockaholic is the eighth studio album by American rock band Warrant, released on May 17, 2011.  The album features the band's third lead singer, Robert Mason, who replaced original lead singer Jani Lane in 2008.  Lane returned to the band for a 2008 reunion tour but by the end of the year, he and the band parted ways for the second time.  Lane had previously replaced former lead singer Jaime St. James, who performed lead vocals on the band's last album, "Born Again", and who initially replaced Lane in 2004.

EZO (album): EZO is the American self-titled debut album from the Japanese metal band Ezo.  It was released in 1987 on Geffen Records and co-produced by Gene Simmons of KISS fame.  Songwriters from the Kiss’ entourage, such as Adam Mitchell and Jaime St. James, contributed heavily to the songs of the album.  Jody Gray, co-writer of the song "Destroyer", co-wrote and co-produced the band's second album, "Fire Fire".

Jaime St. James: Jaime St. James is the lead vocalist and primary songwriter of the glam metal band Black 'N Blue.  He also served briefly in the mid-2000s as the lead singer of Warrant, but he left upon the return of the band's original lead singer Jani Lane in 2008.  He sang (and co-wrote several tracks) on Warrant's 2006 album "Born Again".

Born Again (Warrant album): Born Again is Warrant's seventh studio album released in 2006.  The album features ex-Black N' Blue vocalist Jaime St. James who replaced Jani Lane in 2004.  Lane left the band due to personal and business disagreements and thus, "Born Again" is the first Warrant album not to feature him on lead vocals.

Supporting paragraphs: Steve Perry Jaime St. James
Answer: Stephen Ray "Steve" Perry