Question: Are both Andy Partridge and James LaBrie singers?

Context paragraphs:
One More Time (James LaBrie song): "One More Time" is the first track from Dream Theater lead vocalist James Labrie's second solo album Static Impulse.  Along with the song "I Need You" it was released a month before the album to promote it.  It was written by James LaBrie and Keyboard player Matt Guillory.  All the vocals in the verses are performed by Swedish drummer Peter Wildoer.  He performs screamed vocals throughout the album, Matt Guillory also performs additional screamed vocals throughout the album.

Explode Together: The Dub Experiments 78-80: Explode Together: The Dub Experiments 78-80 (1990) is an XTC compilation album which includes 'Mr Partridge's "Take Away/The Lure of Salvage" LP and the "Go +" EP.  Recorded during sessions on various breaks for the albums "Drums and Wires" and "Black Sea", the album consists of remixes with additional overdubs and sometimes new vocals recorded by Andy Partridge.  The material consists of tracks recorded for the band's first three albums.  Partridge would also occasionally write new lyrics for some of the compositions included here as well.

MullMuzzler 2: MullMuzzler 2 (also known as James LaBrie's MullMuzzler 2) is the second studio album by Dream Theater singer James LaBrie and his band MullMuzzler, released on September 11, 2001 through Magna Carta Records

Take Away / The Lure of Salvage: Take Away and The Lure of Salvage are two sides of a single LP containing dub versions of XTC tracks released under the moniker Mr. Partridge, a pseudonym for Andy Partridge.  It was released on February 29, 1980 on Virgin Records.

Nonsuch (album): Nonsuch (styled as NONSVCH.)  is the twelfth studio album by the English band XTC, released on 27 April 1992.  It follows "Oranges & Lemons" (1989), and was written in 1990, although Virgin Records would not let the band record the album until a staff change in 1991 greenlit the project.  The album was produced by veteran producer Gus Dudgeon, who XTC leader Andy Partridge reflected was the wrong choice due to his eccentric style, despite Dudgeon getting on with the band during recording.  Fairport Convention drummer Dave Mattacks played drums on the album.

Static Impulse: Static Impulse is the second solo album and fourth solo project by Dream Theater lead singer James LaBrie released on September 28, 2010.  In late August 2010, LaBrie released two songs from the album titled "One More Time" and "I Need You".

MullMuzzler: James LaBrie (formally MullMuzzler or James LaBrie's MullMuzzler) is the progressive metal solo side project by James LaBrie, the lead singer of Dream Theater, before recording under his own name in 2005.  The record company would not allow LaBrie to use his own name , so he created the name of MullMuzzler.  LaBrie coined the word MullMuzzler and defined it as: to gag or silence an individual's thought before it can be expressed in any manner.  For the followup, he negotiated the right to use his name although still unable to simply credit it as his solo album.

Hinges (album): Hinges is the ninth and final volume in the Fuzzy Warbles series, released in September 2006.  The album is only available as a bonus CD in the 9-CD box set The Official Andy Partridge Fuzzy Warbles Collector's Album.  The Fuzzy Warbles Series brings together demos, rarities and side projects from XTC founding member Andy Partridge; the box set collects all 8 volumes, plus the "Hinges" bonus disc.

Andy Partridge: Andrew John Partridge (born 11 November 1953) is an English singer, songwriter, guitarist, and record producer who co-founded the rock band XTC.  He lives in Swindon, Wiltshire, where he was raised.

James LaBrie: Kevin James LaBrie (born May 5, 1963) is a Canadian vocalist and songwriter, who is best known as the lead singer of the American progressive metal band Dream Theater.

Supporting paragraphs: Andy Partridge James LaBrie
Answer: yes