News Band was joined by Patterson Hood, Craig Finn and Jason Narducy Sugar's Bob Mould, Malcolm Travis and David Barbe (photo: Beau Sorensen). Reunited ’90s rock trio Sugar capped a sold-out, three-night reunion run — the Bob Mould-led band’s first shows in 31 years — Monday (May 4) at New York’s Webster Hall, welcoming surprise guests such as Drive-By Truckers’ Patterson Hood, the Hold Steady’s Craig Finn and Mould solo band member Jason Narducy to sing at the end of the set. Hood gave his best vein-bulging shouts on “JC Auto,” a ferocious favorite from the 1993 EP Beaster . Finn, who has toured with Mould in the past, took the mic for “Helpless” from Sugar’s beloved 1992 debut Copper Blue , while Mould offered Narducy the verses for that album’s surprise hit single “If I Can’t Change Your Mind” to close the night.…