U2 have played their track ‘So Cruel’ live for the first time since 1992 at the opening of the MSG Sphere venue this past weekend.On Friday (September 29), the Irish rock band began their Las Vegas residency at the Las Vegas Sphere – a $2.3bn, 18,000 seater sci-fi structure that has 160,000 speakers and a giant wrap-around LED screen. They opened the new venue on the first night of their ‘U2:UV Achtung Baby Live at Sphere’ in which they played their 1991 LP in its entirety along with their hits.Bono and Co.