Lerche's published music career began in the year 2000 at the age of 17, when he released his debut single, "You Know So Well" in Norway.

[13] Lerche's discography has also included several extended plays, and a tradition of releasing cover songs as digital singles during the holiday season.

Lerche maintains an annual holiday tradition of covering a pop song from the past year, which has been in conjunction with producer Matias Tellez since 2013.

They are published as stand-alone digital singles on Bandcamp and released to the music publication Stereogum.

[30] Lerche first began publishing cover songs during the holiday season in 2009, as exclusives for Stereogum,[81][82] although his partnership with Tellez for an annual tradition did not start until 2013.