[2] At Studio 55, Marcussen received an education in all facets of music recording and sound production.
By the end of his Studio 55 tenure, he had earned his first album credits as an assistant engineer, working on The Manhattan Transfer's Pastiche, Boz Scaggs's Middle Man, and The Pointer Sisters's Special Things.
He spent almost 20 years (1979 – February 1999) at Precision Lacquer/Mastering mastering albums for artists that included Stevie Wonder, R.E.M., Prince, The Rolling Stones, Warren Zevon, Cher, Rod Stewart, Nirvana, Roy Orbison, Dwight Yoakam, Frank Zappa, Beck, Barbra Streisand, Tom Petty and the Heartbreakers, Red Hot Chili Peppers, B.B.
[5] Since opening his facility, he has been recognized for his thorough knowledge of all current audio formats.
[6] His mastering credits have grown in the subsequent 15 years to include albums by artists such as Miranda Lambert, Hozier, Gillian Welch, David Rawlings, Dawes, Shakira, Les Claypool, Jake Bugg, Kirk Whalum, The Decemberists, Gloria Trevi, Solomon Burke, Melissa Etheridge, Willie Nelson, Broken Bells, X Japan, Hillsong, Don Henley, k.d.