Possible Clues:

• Soundtrack to many a lighting up
• Classic 1977 song with the repeated line 'Let's get together and feel all right'
• Soul mate
• Frat standard with the lyric 'let's get together and feel all right'
• Song in Jamaica Tourist Board ads
• Classic Bob Marley tune
• Bob Marley song with the lyric "Let's get together and feel all right"
• 1977 reggae classic
• Bob Marley tune inspired by Curtis Mayfield's 'People Get Ready'
• 1977 Bob Marley song