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- "La cruz de Santiago" by Mägo de Oz is inspired by the adventures of Captain Alatriste and is dedicated to his writer, Arturo Pérez-Reverte.
- La Leyenda de la Mancha is a Mägo de Oz album based on Don Quixote.
- "Lay Down" by Strawbs is based on Psalm 23.
- "The Lady of Shallott" by Loreena McKennitt is based upon the poem of the same name by Alfred Lord Tennyson. Momus has a song based on the same poem.
- "Legend of Xanadu" by Dave Dee, Dozy, Beaky, Mick & Tich based on Samuel Taylor Coleridge's poem
- "Let it Show" by Hannah Fury is based on Gregory Maguire's Wicked.
- "Lolita" by Elefant is about Vladimir Nabokov's Lolita.
- "The Longest Day" by Iron Maiden is based on Cornelius Ryan's The Longest Day, which is about D-Day.
- "Lord of the Flies" by Iron Maiden retells Lord of the Flies by William Golding.
- "Lord of the Rings" by Blind Guardian is about The Lord of the Rings by J. R. R. Tolkien.
- "Love and Death" by The Waterboys is a setting of the William Butler Yeats' poem.
- "Love and Destroy" by Franz Ferdinand is based on The Master and Margarita by Mikhail Bulgakov.
- "Love Song for a Vampire" by Annie Lennox is about Bram Stoker's Dracula.
- "Lucy" by The Divine Comedy is a setting of three poems by William Wordsworth.
- "Lullaby" by Lagwagon is based on Lullaby by Chuck Palahniuk.
- "The Loneliness of the Long Distance Runner" by Iron Maiden, based on the short story of the same name by Alan Sillitoe.
- "Lord of Light" by Hawkwind from the novel by Roger Zelazny.
Read more about this topic: List Of Songs That Retell A Work Of Literature