Songs by Threshold
- A Tension of Souls
- Angels
- Ashes
- Autumn Red
- Avalon
- Babylon Rising
- Change
- Choices
- Clear
- Coda
- Colophon
- Conceal the Face
- Consume to Live
- Critical Mass Part 1: Fission Part 2: Fusion Part 3: Lucky
- Days of Dearth
- Devoted
- Disappear
- Divinity
- Do Unto Them
- Dont Look Down
- Eat the Unicorn
- Echoes Of Life
- Elusive
- Endless Sea
- Exposed
- Falling Away
- Fighting for Breath
- Fist Of Tongues
- Flags And Footprints
- Forever
- Fragmentation
- Freaks
- Goodbye Mother Earth
- Ground Control
- Half Way Home
- He Is I Am
- Hollow
- I Wish I Could
- Innocent
- Intervention
- Into The Light
- Keep It With Mine
- Keep My Head
- Lake of Despond
- Liberty Complacency Dependency
- Life Flow
- Lifes Too Good
- Light and Space
- Long Way Home
- Lost
- Lost in Translation
- Lost in Your Memory
- Lovelorn
- Mansion
- Mission Profile
- Mother Earth
- Narcissus
- New Beginning
- Oceanbound
- On the Edge
- One Degree Down
- Opium
- Paradox
- Part of the Chaos
- Phenomenon
- Pilot in the Sky of Dreams
- Pressure
- Return of the Thought Police
- Round And Round
- Safe to Fly
- Sanitys End
- Seventh Angel
- Sheltering Sky
- Shifting Sands
- Siege Of Baghdad
- Siren Sky
- Slipstream
- Small Dark Lines
- Smile At The Moon
- Snowblind
- Somatography
- Staring at the Sun
- Stars and Satellites
- State of Independence
- Static
- Stop Dead
- Subliminal Freeways
- Sunrise On Mars
- Sunseeker
- Superior Machine
- Supermassive Black Hole
- Surface To Air
- Swallowed
- Thats Why We Came
- The Art Of Reason
- The Box
- The Destruction of Words
- The Hours
- The Latent Gene
- The Man Who Saw Through Time
- The Mystery Show
- The Ravages of Time
- The Rubicon
- The Shire Part 1
- The Shire Part 2
- The Shire Part 3
- The Whispering
- This Is Your Life
- Trust the Process
- Turn on Tune in
- Turned To Dust
- Under The Sun
- Unforgiven
- Virtual Isolation
- Voyager II
- Watchtower On The Moon
- What About Me
- Will To Give