"Light Years" was first performed live at the band's May 10, 2000 concert in Bellingham, Washington at the Mount Baker Theatre [REF].
At the band's Chicago concert on August 20, 2016, Pearl Jam dedicated this song to The Tragically Hip, whose lead singer Gord Downie had publicized his diagnosis with glioblastoma earlier in the year and who were playing the final date of their Man Machine Poem Tour that same night [REF].