Greg Holahan has 4 Yung Lean concerts.

Jonatan Leandoer Håstad[3] (born 18 July, 1996), known professionally as Yung Lean, is a Swedish rapper, singer, songwriter, and record producer. Born and raised in Stockholm, Yung Lean rose to prominence in 2013 with his song "Ginseng Strip 2002" which became a viral success on YouTube.[4] Later the same year, he released his debut mixtape, Unknown Death 2002, and the following year he released his debut studio album, Unknown Memory. In 2016, Yung Lean released his second mixtape, Frost God and his second studio album, Warlord.