What heavy metal songs are about isolation?

Here are some heavy metal songs that delve into themes of isolation:

- "Solitude" by Candlemass

- "Isolation" by Fear Factory

- "Alone in This World" by Megadeth

- "The Lonely One" by Sepultura

- "Solitary Shell" by Metallica

- "Silent Screams" by Death

- "The Isolationist" by Annihilator

- "Lost Horizon" by Iron Maiden

- "Into Solitude" by Queensrÿche

- "Trapped Under Ice" by Metallica