Question: Are Crispian Mills and Amy Lee both singers ?

Context paragraphs:
Amy Lee (disambiguation): Amy Lee is the stage name of Amy Lynn Hartzler, an American singer-songwriter and classically trained pianist, co-founder and lead vocalist of the rock band Evanescence.

The Jeevas: The Jeevas were an English rock band.  Its members were Crispian Mills (vocals, guitar), Andy Nixon (drums), and Dan McKinna (bass).  Mills was previously the vocalist of Kula Shaker.  Nixon and McKinna were previous members of Straw.  Mills rejoined Kula Shaker in late 2005, and The Jeevas disbanded.

A Fantastic Fear of Everything: A Fantastic Fear of Everything is a 2012 British horror comedy film starring Simon Pegg, written and directed by Crispian Mills with Chris Hopewell as co-director.  It is based on the novella "Paranoia in the Launderette" by Bruce Robinson, writer and director of "Withnail and I".  It has been described as a low-budget "semicomedy" about a children’s author-turned-crime-novelist who has become obsessed with murder and murdering.  It was released on 8 June 2012 in the United Kingdom and Ireland, and received a limited U.S. theatrical release on 7 February 2014.  The BBFC classified the film a 15 certificate in the UK, while the MPAA rated the film R in America.

Crispian Mills: Crispian Mills (born 18 January 1973 as Crispian John David Boulting), also known as Krishna Kantha Das, is an English singer-songwriter, guitarist, and film director.  He is the son of actress Hayley Mills and director Roy Boulting, the grandson of Sir John Mills and Mary Hayley Bell, nephew of Juliet Mills and director Jonathan Mills, and half-brother to Jason Lawson.

Amy Lee: Amy Lynn Hartzler (née Lee ; born December 13, 1981), known professionally as Amy Lee, is an American singer, songwriter, record producer and multi-instrumentalist.  She is the co-founder and lead vocalist of the rock band Evanescence.  Along with her contributions with the band, Lee has also participated on numerous other musical projects including Walt Disney Records' "Nightmare Revisited" and "".  Lee has performed collaborations with artists such as Korn, Seether, and David Hodges.  Lee is also the American chairperson for the international epilepsy awareness foundation "Out of the Shadows".  During Evanescence's hiatus, Lee embarked on her film score career in 2013 by composing the soundtrack to "War Story" (2014) and "" (2015) with cellist Dave Eggar, and the song "Speak to Me" for the film "Voice from the Stone".

Sweet Sacrifice: "Sweet Sacrifice" is a song by American rock band Evanescence.  It was released on May 25, 2007, as the third single from their second studio album, "The Open Door".  It was written by Amy Lee and Terry Balsamo while the production was handled by Dave Fortman.  "All That I'm Living For" was initially planned to be the third single, as announced at live concerts and online.  However, due to requests from the band and fan reaction, Wind-up reconsidered its release and announced that "Sweet Sacrifice" would be the band's third single from "The Open Door".  Evanescence's lead singer Amy Lee wrote the song about the abusive relationship that inspired all of the songs on the group's debut record "Fallen" (2003).

Amy Lee (saxophonist): Amy Lee is an American saxophonist, composer and arranger.  She has played with a variety of musicians and singers, and is best known for being a member of Jimmy Buffett's Coral Reefer Band.

Kula Shaker: Kula Shaker are an English psychedelic rock band.  Led by frontman Crispian Mills, the band came to prominence during the Post-Britpop era of the late 1990s.  The band enjoyed commercial success in the UK between 1996 and 1999, notching up a number of Top 10 hits on the UK Singles Chart, including "Tattva", "Hey Dude", "Govinda", "Hush", and "Sound of Drums".  The band's debut album, "K", reached No. 1 on the UK Albums Chart.

Amy White: Amy Lee White (born October 20, 1968), later known by her married name Amy Ballidis, is an American former competition swimmer and Olympic medalist.  She represented the United States as a 15-year-old at the 1984 Summer Olympics in Los Angeles, California.  She received a silver medal for her second-place performance in the women's 200-meter backstroke, finishing with a time of 2:13.04, behind Dutch swimmer Jolanda de Rover.

Breakdown (Seether song): "Breakdown" is the third track and the third single from Seether's third album, "Finding Beauty In Negative Spaces".  Shaun Morgan has stated that the song is about his former girlfriend Amy Lee, but other sources reference a more recent relationship.  To further the point, Morgan has been quoted saying "Amy and I, at our worst moments, were still better than this last girl and I at our best moments".

Supporting paragraphs: Crispian Mills Amy Lee
Answer: yes