Top 10 Most Difficult Songs for Male Singers #1: “Bohemian Rhapsody” (1975) Queen. #2: “Unchained Melody” (1965) The Righteous Brothers. ... #3: “Dream On” (1973) Aerosmith. ... #4: “I Believe in a Thing Called Love” (2003) ... #5: “Livin' on a Prayer” (1986) ... #6: “Earth Song” (1995) ... #7: “Crawling” (2001) ... #8: “You Raise Me Up” (2003) ... More items...