Maurice "Moe" White (December 19, 1941 – February 4, 2016) was an American singer-songwriter, musician, record producer, arranger, and bandleader.
 He was the founder of the band Earth, Wind & Fire.
 He was also the older brother of current Earth, Wind & Fire member Verdine White, and former member Fred White.
 He served as the band's main songwriter and record producer, and was co-lead singer along with Philip Bailey.
Carol Ann Decker (born 10 September 1957) is an English musician.
 She is best known as the singer and front woman for the band T'Pau, which had international success in the late 1980s.
 Although Decker's music is mainly associated with the group, she also released "One Heart," a solo single in 1995, to support the centenary of the Halifax World Cup Rugby League
T'Pau is a British pop group led by singer Carol Decker.
 They had a string of Top 40 hits in the UK in the late 1980s, most notably "China in Your Hand", "Heart and Soul" and "Valentine", and several hits in Europe, before disbanding in the early 1990s.
 Decker still performs under the name T'Pau at solo shows and 1980s nostalgia concerts, and in 2013 she reunited with original bandmember and co-songwriter Ronnie Rogers for a 25th anniversary UK tour.
"Wanna Be With You" is a song by R&B band Earth, Wind & Fire which was written by Maurice White and Wayne Vaughn and produced by Maurice White.
 Included on the band's 1981 album, "Raise!
" it was released as a single in 1982.
Maurice White is a 1985 album by American singer and musician Maurice White released on Columbia Records.
 Released on April 18, 1985, The album went to number 12 on the Top R&B/Hip-Hop Albums Charts.
 The single "Stand by Me" a cover of the Ben E. King classic reached number 6 on the Hot R&B/Hip-Hop Singles & Tracks and number 11 on the Adult Contemporary charts.
 Filipino singer Gary Valenciano covered Maurice White's "Stand By Me" from his 2008 album "Rebirth".
"With a Little Luck" is a song by British band T'Pau, released as the lead single from their 1998 fourth studio album "Red".
 It was written by vocalist Carol Decker, ex-T'Pau rhythm guitarist Ron Rogers and J. David.
 It was produced by Decker, Rafe McKenna and Marco Sabiu.
"Just Dream" is a song by English vocalist Carol Decker of the band T'Pau, released as a non-album download-only single in 2007.
 It was written by Decker and T'Pau's ex-rhythm guitarist Ron Rogers.
 The song was produced by Decker, Rogers and Jez Ashurst.
"Soul Destruction" is a song by British band T'Pau, released as the third single from their 1991 third studio album "The Promise".
 The song was written by vocalist Carol Decker and rhythm guitarist Ron Rogers.
 It was produced by Andy Richards.
Touch the World is the fourteenth studio album by Earth, Wind & Fire, produced by the band's leader Maurice White for Kalimba Productions, and released in 1987 on Columbia Records.
 "Touch the World" has been certified gold in the US for sales of over 500,000 copies by the RIAA.
 "Touch The World" also marked the debut of former Commodores guitarist Sheldon Reynolds to the lineup.
 The album ended a four-year hiatus for the band, with vocalists Maurice White and Philip Bailey reforming the group, bringing back longtime members Verdine White, Andrew Woolfolk and Ralph Johnson.
 Drummer Sonny Emory filled the drum chair vacated by Fred White.
"Walk on Air" is a song by British band T'Pau, released as the second single from their 1991 third studio album "The Promise".
 The song was written by vocalist Carol Decker and rhythm guitarist Ron Rogers.
 It was produced by Andy Richards.

Question: Were Maurice White and Carol Decker both singers?
Answer: yes