In 2012 Luke’s intricate guitar style and warm captivating vocals attracted three-time Grammy Award-winning artist Ben Harper. Luke then opened for Harper’s first ever solo acoustic tour in both the U.S. and Canada. Harper went on co-produced Spehar’s third album, All Is Gift in 2015. Spehar released his most recent album, The Pilgrim, in 2018. The album was a collaboration between Spehar and Matt Patrick at the Library Studio near his home town in Minneapolis, MN.