1. "Whole Lotta Love" (1969): The iconic riff in "Whole Lotta Love" is based on the main riff from Willie Dixon's "You Need Love."
2. "Dazed and Confused" (1969): The song's structure and arrangement were inspired by Jake Holmes' "Dazed and Confused," although Led Zeppelin's version features heavier guitar riffs and extended improvisation.
3. "Bring It On Home" (1969): The song takes its title and opening riff from Sonny Boy Williamson II's "Bring It On Home."
4. "Since I've Been Loving You" (1970): The song's melody and structure were inspired by Otis Rush's "I Can't Quit You Baby."
5. "The Lemon Song" (1968): The song's main riff and melody are derived from the traditional blues standard "Killing Floor."
6. "Communication Breakdown" (1969): The guitar riff in "Communication Breakdown" was influenced by the song "Dimples" by John Lee Hooker.
7. "Heartbreaker" (1970): The song's main riff is based on Muddy Waters' "I Can't Be Satisfied."
8. "Kashmir" (1975): The song's distinct melody and orchestration were inspired by Indian classical music, particularly the raga "Kashmiri."
9. "All of My Love" (1979): The song's chorus and melody borrow heavily from the Motown classic "Reach Out I'll Be There" by The Four Tops.
These are just a few examples of the many songs by Led Zeppelin that were influenced by other artists and musical traditions. Led Zeppelin's music is a testament to their wide range of influences, and their ability to blend and transform these elements into their unique and enduring style.