Letras de Penetration
- Shout Above The Noise letra
- She Is The Slave letra
- Last Saving Grace letra
- Killed In The Rush letra
- Challenge letra
- Come Into The Open letra
- What's Going On letra
- Party's Over letra
- On Reflection letra
- Lifeline letra
- New Recruit letra
Coming Up For Air (1979)
- Future Daze letra
- Life's A Gamble letra
- Lover Of Outrage letra
- Vision letra
- Silent Community letra
- Stone Heroes letra
- Movement letra
- Too Many Friends letra
- Reunion letra
- Nostalgia letra
- Free Money letra
- Don't Dictate letra