sentences:  El Da Sensei has released a number of solo albums and collaborated with the Polish rap group The Returners in 2008, as well as East Coast-based group, The Immortals Project in 2009.In August 2009 at the Rock Steady Crew Anniversary Weekend in Newark, New Jersey, Artifacts briefly reunited during a performance by El Da Sensei.According to Tame One, the duo had not reconciled their differences but when he heard the horn riff which introduces "Wrong Side of Da Tracks", he felt like performing it.