1985: Willson-Piper appears on the single (Just like) Surf City by James Griffin and the Subterraneans. The song also appears on the Immigrant Tango EP.
1987: He co-produces the single Blood Red Roses for the band Bell Jar.
1988/1990: He plays on the Black In Sunshine single (1988) and writes six songs on the Hidden Treasures album (1990) for Swedish singer Ann Carlberger.
1988/1989: He works with Swedish musician Martin Rössel in Stockholm and plays guitar on My Eyes (1988) and Paradiset (1989), as well as co-writing Spegel (“Mirror”) originally written in English as Just A Reflection and Kiss The Moon (1989). Together as Marty and Martin the pair wrote around twenty songs that remain unreleased to this day.
1989: Jules Shear‘s 1989 album The Third Party is being recorded in Stockholm, sole acoustic guitar by Willson-Piper, vocals by Shear.
1989: Charlie Sexton records Willson-Piper’s song I Can’t Cry (later released on Willson-Piper’s album Spirit Level) on his second, self-titled album. Listen here:
1990: Jay Dee Daugherty and Marty Willson-Piper play on tracks on Tom Verlaine‘s album The Wonder, but are both uncredited. Marty appears on Stalingrad and might be on Shimmer. When Marty went into the studio with Tom Verlaine, he already knew Stalingrad as Verlaine was playing it on tour. The other tracks on the album were just backing tracks, unfinished, no vocals or melody. As he’s not credited he’s not positive which songs he features on. Listen to Stalingrad here:
1991: Willson-Piper joins English band All About Eve where he remains for ten years, recording two studio albums – Touched By Jesus (1991) and Ultraviolet (2002) as well as one electric live album Live And Electric At The Union Chapel (2001) and two acoustic live albums Fairy Light Nights 1 (2000) and Fairy Light Nights 2 (2001).
1993: With Jules Shear and Aimee Mann he co-writes the song Could’ve Been Anyone that appears on Mann’s first solo album Whatever. Listen here:
1994: He co-writes The Sensual Hour and Sticks And Stones with Raoul Graf for Australian band The Infidels.
1996/2001: He co-writes the song Battersea for All About Eve singer Julianne Regan‘s side project Mice, as well as appearing on the track Miss World and A Dark Place.
1996: He plays lead guitar on Scratch‘s 1996 song We Got Fooled Again. The album was recorded at the In Deep Studios. Listen here:
1996: He co-writes the song Knock Me Out on 4 Non Blondes singer Linda Perry‘s 1996 solo album In Flight. The song also appears on The Crow: City Of Angels soundtrack and is credited to Perry/Willson-Piper and Jefferson Airplane legend Grace Slick. Listen here:
1997: He co-writes three tracks (and plays on two) for Brix Smith‘s 1997 album Happy Unbirthday, as well as co-writing and singing on most of the tracks on her 2007 album Neurotica.
1998: He plays lead guitar on Open Book, a track off The Volares‘ album The Night We Taught Ourselves To Sing. The Volares are Bucks Burnett, Paul Averitt & Dare Mason. Listen here:
1998: He works with David Gedge‘s Cinerama on their first album, Va Va Voom, and plays on seven tracks.
1998: He produces seven tracks on the album Elvis, Halleluja and Hurrah for Håkan Ahlström, as well as playing on five of them.
2000: Willson-Piper produces Swedish band Moderna Män‘s album, Entré (2000).
2001: Willson-Piper records Thirteen from 1 Record (1972) for the Big Star tribute album LunaSea – A Tribute To Big Star. Listen here:
2002: Willson-Piper forms Noctorum, a studio project with long time friend and top producer Dare Mason. Three albums are released, Sparks Lane (2002), Offer The Light (2006) and Honey Mink Forever (2011). Their fourth album The Afterlife will be released in October/November 2018.
2002: Willson-Piper contributes electric and acoustic guitars to Bradley Cole‘s album In Our Time.
2003: Willson-Piper co-writes the song Motorcycle with Australian band Urban Folk Collective for their album Black Rabbit. Listen here:
2004/2008/2017: Willson-Piper featured on the tracks Who Knew the World Would End and All Your Kingdom on Edward Roger‘s album Sunday Fables and again in 2008 on the follow up You Haven’t Been Where I’ve Been, on the tracks Graveyard Voices and What Happened To Manfred What Happened To Jane. 2017 – Willson-Piper plays guitar on the Duncan Brown version of Alfred Bell and bass on Wounded Conversation on Edward Rogers’ album TV Generation, co-writing the track Listen To Me.
2004: Willson-Piper joins Australian Punk legends The Saints, relocating to Amsterdam and playing on the album Nothing Is Straight In My House (2005). He co-writes the song Passing Strange with Chris Bailey and plays over sixty shows throughout Europe and America.
2005: He contributes the guitar solo to Catherine Wheel singer Rob Dickinson‘s single Oceans.
2005: Willson-Piper records Fly from Bryter Layter (1970) for the Nick Drake tribute album Jeremy Flies. Listen here:
2006: Willson-Piper records Everything Means Nothing To Me from Figure 8 (2000) for the Elliott Smith tribute album Remote Memory. Listen here:
2006: Willson-Piper performs on the tracks Martha’s Harbour and Circle on the White Rose Transmission album Bewitched And Bewildered.
2006: Noctorum contribute a cover version of Buffalo Springfield‘s song Nowadays Clancy Can’t Even Sing, written by Neil Young in 1966, to the 2006 tribute album Five Way Street. Listen here:
2008: He contributes guitar solos to The Gronk‘s Touch The Sun.
2008: Willson-Piper records the duet Beatles And The Stones with Norwegian singer Marte Heggelund for her album Treason. Listen here:
ca. 2012: Willson-Piper is asked to be part of a tribute album to early eighties dark Indie guitar pioneers The Sound. The album fell through, but the song (I Can’t Escape Myself) was still recorded. Listen here:
2012: Willson-Piper joins forces with multi-instrumentalist Niko Röhlcke to form MOAT. Their self-titled debut album was released in 2013. A second album is on the way and will be called Poison Stream.
2014: Willson-Piper plays bass with French band Sweet Gum Tree, contributing to the song Bird Of Passage (a duet with Arno Sojo and Isobel Campbell) on the album The Snakes You Charm And The Wolves You Tame as well as joining the band for their subsequent tour.
2015: Willson-Piper guests with Swedish Progressive Rock band Anekdoten, appears on the title track of their album Until All The Ghosts Are Gone, joins the band as a full time member and tours Japan, Poland, France, Germany, Italy, Armenia, Norway and Sweden throughout the following years. Listen to Until All The Ghosts Are Gone here:
2019: Marty and Olivia Willson-Piper are featured on Atlantæum Flood‘s debut album ONE DAY.