(2002) – keyboards, guitars, lead vocals Ayreon (2004) – Hammond solo on Loser from the album The Human Equation Ken Hensley & The Viking All-Stars Band (2005) – keyboards, guitars, lead vocals Ken Hensley & Live Fire (2006–2020) – keyboards, guitars, lead vocals Maks and the Minors (2007) producer and guest Hammond keyboards on three tracks Therion (2007) – Hammond solo on Trul from the album Gothic Kabbalah B.T.R. (2008) – keyboards, guitars, lead and backing vocals (The Bulgarian hard rock band played with Hensley on a few occasions most of which also included John Lawton) Toni Rowland (Unfolding, 2010) – keyboards, guitars, producer Sunrize (2011) – Touring together with the Bulgarian rock band Sunrize during their Rock on the Rocks tour 2011. Vanexa (2016) - Hammond on 'The traveler' from the album 'Too heavy to fly' Blind Golem (2021) - Slide guitar and keyboards on ‘The Day Is Gone’ from the album ‘A Dream Of Fantasy’ Discography Solo albums Proud Words on a Dusty Shelf (1973) - AUS #57 Eager to Please (1975) Free Spirit (1980) The Best of Ken Hensley (compilation, 1990) From Time to Time (1994) A Glimpse of Glory (1999) Ken Hensley Anthology (compilation, 2000) Running Blind (2002) The Last Dance (2003) The Wizard's Diary Vol. 1 (compilation, CD/DVD, 2004) Cold Autumn Sunday (2005) Elements – Anthology 1968 To 2005 (compilation, 2006) Inside the Mystery (compilation, 2006) Blood on the Highway (2007) Live Fire (DVD, 2007) Blood on the Highway – Release Concert (live DVD, 2008) Love & Other Mysteries (2012) Live Tales (live, 2013) Rare & Timeless (compilation, 2018) My Book of Answers (2021) With Uriah Heep ...Very 'Eavy ...Very 'Umble (1970) Salisbury (1971) Look at Yourself (1971) Demons and Wizards (1972) The Magician's Birthday (1972) Uriah Heep Live (live, 1973) Sweet Freedom (1973) Wonderworld (1974) Return to Fantasy (1975) The Best of Uriah Heep (compilation, 1975) High and Mighty (1976) Firefly (1977) Innocent Victim (1977) Fallen Angel (1978) Conquest (1980) Live at Shepperton '74 (live, 1986) Live in Europe 1979 (live, 1986) Still 'Eavy Still Proud (compilation, 1990) Rarities From The Bronze Age (compilation, 1991) The Lansdowne Tapes (1993) A Time of Revelation (1996) Live in San Diego 1974 (live, 1997) The Magician's Birthday Party (live, recorded 2001, released 2002) Chapter & Verse – The Uriah Heep Story (compilation, 2005) With The Gods Genesis (1968) To Samuel A Son (1969) The Gods Featuring Ken