self-titled album Attitudes included Kortchmar's "Honey Don't Leave L.A.," which James Taylor also recorded. The second album, Good News, included several Kortchmar compositions. He wrote music for the Cheech & Chong film Up in Smoke and he also produced recordings by Don Henley, Neil Young, Jon Bon Jovi, Stevie Nicks, Billy Joel, Hanson, Tracy Chapman, Louise Goffin and others. Kortchmar is featured on guitar on Carole King's 1975 album, Thoroughbred. In the early 1980s, Kortchmar toured and recorded extensively with Linda Ronstadt and appeared in two of her music videos. He can be seen playing guitar in the video for "Get Closer". In 1983, he played Linda's love interest in the music video for "What's New?". He also appeared with Linda when she performed on the twenty-fifth anniversary Grammy Awards telecast. Kortchmar had a cameo as Ronnie Pudding (Spinal Tap's bass player in their early years) in the "Gimme Some Money" video segment of the 1984 mockumentary This Is Spinal Tap. In 1984, he co-produced and played on Don Henley's album Building the Perfect Beast. On that album, Kortchmar wrote the songs "You're Not Drinking Enough" and "All She Wants To Do Is Dance". Also on that album, he co-wrote the songs "You Can't Make Love", "Man with a Mission", "Not Enough Love in the World", "Building the Perfect Beast", "Sunset Grill", and "Drivin' With Your Eyes Closed". In 1989, Kortchmar co-produced and played on Don Henley's album The End of the Innocence. Also on that album, he co-wrote the songs "How Bad Do You Want It?", "I Will Not Go Quietly", "New York Minute", "Shangri-La", "Little Tin God", and "If Dirt Were Dollars". In 1990, Kortchmar co-produced and played on Jon Bon Jovi's #1 album Blaze of Glory. In 1992, he co-produced Toto's eighth studio album Kingdom of Desire, he also wrote two of the songs on the album: "Kick Down the Walls" and the title track. In 1993, he co-produced and played on Billy Joel's album River of Dreams. In 1995, Kortchmar produced and played rhythm guitar on several tracks of The Fabulous Thunderbirds album Roll Of The Dice. In 1996, Kortchmar formed the group Slo Leak, playing primarily blues rock, and released an eponymous album. In 1999, the group released its second album, When the Clock Strikes 12. Kortchmar was brought aboard to produce Van Halen's abandoned second album with former Extreme singer Gary Cherone in 1999.