It’s Probably Me was written by Sting in conjunction with Eric Clapton and Michael Kamen. Sting wrote the song for the Lethal Weapon 3 soundtrack, and the lyrics are based off of the two main characters Riggs and Murtaugh, since they only have each other. Sting said this about the song:

The song was co-written by Eric Clapton and Michael Kamen. They’d done a bit of music and they asked me to turn it into the theme tune to Lethal Weapon 5 or whatever it was. I wondered what the hell I could write that would suit Lethal Weapon and I finally chose the buddy movie theme. I figured that the Mel Gibson and Danny Glover characters were big macho guys who’d have some reticence about expressing their love for each other, so they’d say, if you need someone to stop you getting killed, it’ll probably be me. I think Eric was quite bemused to see what I’d done to his music."

Sting performed the song with his band without Eric and Michael on his album Ten Summoner’s Tales.