Formed in 2004 by brothers Shmuel and Bentzion Marcus, the group gained popularity in the Jewish music scene with their album Chasing Prophecy (2011) and its lead single, "Ya'alili", whose video became a minor viral hit on YouTube.
[1] Their debut studio album, Tracht Gut (Yiddish for "think positive") was released on April 1, 2005 and featured Zalman, Chaim, Yossi, and Eli Marcus on backing vocals.
The first single for the album, "Ya'alili", became a hit on the strength of its music video, which received over 6 million views on YouTube, and gained the group many followers.
8th Day's sound, though primarily inspired by traditional Jewish music, also contains influences from secular styles such as power pop, blues, and reggae.
[5] Guitarist Bentzion Marcus has described the group as a "very eclectic, klezmer-funk-rock band", noting that on Chasing Prophecy, "each song stands on its own.