[2] Kirchen's band "played a collection of rock 'n' roll, hard-core country, boogie and rockabilly sounds produced in a "high-octane mix" that made them a "happening" group in the San Francisco Bay area.

He became known for his vocal and guitar work on such songs as "Mama Hated Diesels", "Down to Seeds and Stems Again Blues" from the band's albums, Hot Licks, Cold Steel & Truckers' Favorites and Lost in the Ozone.

[2][3] Kirchen became a contemporary and associate of many D.C. guitarists such as the late Danny Gatton and Roy Buchanan, Link Wray, Tom Principato, Evan Johns, Billy Hancock, Linwood Taylor, Dave Chappell, Jimmy Thackery, the Nighthawks and others who, during this time, forged an elite fraternity of Washington D.C. area roots rock performers.

The record featured many guests including: Paul Carrack, Elvis Costello, Commander Cody, Blackie Farrell, Dan Hicks, Nick Lowe, Maria Muldaur and more.

Allmusic's Jana Pendragon credits Kirchen with being one of the musicians that pioneered the Americana movement in the 1980s, and also with being a founding father of "twangcore," along with Dave Alvin, Wilco and Big Sandy & His Fly-Rite Boys.

[2] Kirchen's signature sound has been dubbed "dieselbilly" and incorporates elements of country, blues, rockabilly, Western swing and boogie-woogie, laced with themes of American truck driving music.

[citation needed] Kirchen's work in the early 1970s with Commander Cody and the Lost Planet Airmen helped set the stage for the singers like Waylon Jennings and Willie Nelson and other outlaw country bands with his recordings of songs like "Seeds And Stems.