8 December 2009 and was released digitally on 11 January 2010. Subsequent singles, "Babyfather" and "The Moon and the Sky", were played by US urban adult contemporary radio on 13 April and 24 August 2010, respectively. At the 53rd Annual Grammy Awards in 2011, the title track won Best R&B Performance by a Duo or Group with Vocals, while the song, "Babyfather", was nominated for Best Pop Performance by a Duo or Group with Vocals. In April 2011, the band began their Sade Live tour (also known as the "Once in a Lifetime Tour" or the "Soldier of Love Tour"). The band toured Europe, the Americas, Australia and Asia to promote the band's sixth studio album and their second compilation album, The Ultimate Collection (2011). This trek marked the band's first tour in nearly a decade and ranked 27th in Pollstar's "Top 50 Worldwide Tour (Mid-Year)", earning over 20 million dollars. At the conclusion of 2011, the tour placed tenth on Billboard's annual "Top 25 Tours", earning over $50 million with 59 shows. The tour was chronicled with Bring Me Home - Live 2011, released in May 2012. 2018–present: Return In March 2018, she (and the reunited band that also bears her name) released the acoustic ballad "Flower of the Universe" for the soundtrack to the Disney film A Wrinkle In Time. About asking Sade to contribute to the album, director Ava DuVernay wrote "I never thought she'd say yes, but asked anyway." Later that year, Sade released "The Big Unknown" for the soundtrack to the 20th Century Fox film Widows. That film's director, Steve McQueen stated that Sade agreed to write the song for the film, because "the original series of Widows had deeply resonated with her." The successor to Soldier of Love is in the works. The band were the first to record their seventh album at the rebuilt Miraval Studios, where they previously recorded Promise and Stronger Than Pride. Legacy and influence The New Yorker described Sade's voice as a "grainy contralto full of air that betrays a slight ache but no agony, and values even imperfect dignity over a show of pain", a "deeply English" quality that makes categorising the artist's voice difficult. Her voice was described by the BBC as "husky and restrained" and compared to singer Billie Holiday. BBC called her songwriting "sufficiently soulful and jazzy yet poppy, funky yet easy listening, to appeal