From left, Live and Unplugged members Ryan Liatsis, Dylan Kelehan, Eric Challacombe and Dan Rappaport. Based in Nyack, N.Y., the band Live and Unplugged will perform its first New Jersey show, June 3 at Roy’s Hall in Blairstown. The show will include Nirvana’s 1994 MTV Unplugged in New York album in its entirety, as well as songs, performed in “unplugged” style, by Soundgarden, Alice in Chains, Stone Temple Pilots, Pearl Jam and others. The band formed in the summer of 2021. “I was obsessed with Nirvana growing up,” says singer-guitarist Dylan Kelehan, a former member of the Pink Floyd cover b…