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successful moves that endeared her to large and varied youth audiences". Madonna's Spanish look in the videos became the fashion trend of that time, in the form of boleros and layered skirts, accessorizing with rosary beads and a crucifix as in the video of "La Isla Bonita". Academics noted that with her videos, Madonna was subtly reversing the usual role of male as the dominant sex. This symbolism and imagery was probably the most prevalent in the music video for "Like a Prayer". The video included scenes of an African-American church choir, Madonna attracted to a statue of a black saint, and singing in front of burning crosses. This mix of the sacred and the profane upset the Vatican and resulted in the Pepsi commercial withdrawal. Madonna has been honored with record-breaking 20 MTV Video Music Awards, including the lifetime achievement "Video Vanguard Award" in 1986 for her contributions to the world of music video. Madonna's emergence occurred during the advent of MTV, and, according to Chris Nelson from The New York Times, "with its almost exclusively lip-synced videos, ushered in an era in which average music fans might happily spend hours a day, every day, watching singers just mouth the words." The symbiotic relationship between the music video and lip-syncing led to a desire for the spectacle and imagery of the music video to be transferred to live stage shows. Chris Nelson of The New York Times reported, "Artists like Madonna and Janet Jackson set new standards for showmanship, with concerts that included not only
elaborate costumes and precision-timed pyrotechnics but also highly athletic dancing. These effects came at the expense of live singing." Thor Christensen of the Dallas Morning News commented that while Madonna earned a reputation for lip-syncing during her 1990 Blond Ambition World Tour, she has subsequently reorganized her performances by "stay[ing] mostly still during her toughest singing parts and [leaves] the dance routines to her backup troupe ... [r]ather than try to croon and dance up a storm at the same time." To allow for greater movement while dancing and singing, she was one of the earliest adopters of hands-free radio-frequency headset microphones, with the headset fastened over the ears or the top of the head, and the microphone capsule on a boom arm that extended to the mouth. Because of her prominent usage, the