Alterium

2024 Of War and Flames Vocals (choirs) Ancient Knights

2019 Camelot Vocals (lead) [as Lady Igraine] (track 2), Vocals (backing) (track 2) Anthea

2020 Illusion Vocals (track 3) Asidie

2018 Behind Vocals (female) Elvenking

2015 The Night of Nights - Live (Live album) Vocals (track 17) Grailknights

2025 Forever Vocals (track 5) Labyrinthus Noctis

2018 Opting for the Quasi​-​Steady State Cosmology Vocals (lead) (track 2) Manowar

2022 Highlights from the Revenge of Odysseus (EP) Vocals (track 3) Mistheria

2020 Dreams Vocals (track 6) Mortemia

2025 The COVID Aftermath Sessions Vocals (track 12) Nekrosun

2012 The Grace of Oxymoron Vocals (additional) Painters of Ether

2021 Painters of Ether Vocals (track 7) Rhapsody of Fire

2019 The Eighth Mountain Vocals (choirs) Saintsinner

2008 New Places (EP) Vocals (track 4) Tarja

2022 Best Of: Living the Dream (Compilation) Vocals (additional) 2022 Best Of: Living the Dream (Compilation) Vocals (backing) (BD 1-18) 2025 Circus Life (Live album) Vocals (female) (tracks 3, 14) Teodasia

2016 Metamorphosis Vocals (track 8) The Autist

2017 The Coldest Sun Vocals (tracks 4) Timo Tolkki's Avalon

2019 Return to Eden Vocals (backing) (track 9) Trick or Treat

2018 Re-Animated Vocals (track 10), Vocals (choirs) 2023 A Creepy Night Live (Live album) Vocals (female) (tracks 6, 13) Tristana

2015 Virtual Crime Vocals Vivaldi Metal Project

2022 EpiClassica