网页JNX to debut first album on Sept. 13 at The Grove House. | September 12, 2024. JNX, a young rock band from Mariposa, will be celebrating the band’s first full length album “Love, Hate, Apocalypse” on Friday, Sept. 13, 7 p.m. at The Grove House in Mariposa. The show is free, is for all ages and open to the public.