Larry Mullen Jr. of U2's songs, helping to evoke military imagery. During the recording of the album "Pop" in 1996, Mullen suffered from severe back problems. Recording was delayed due to surgery. When he left the hospital, he arrived back in the studio to find the rest of the band experimenting more than ever with electronic drum machines, something driven largely by guitarist The Edge's interest in dance and hip-hop music, and, given his weakness after the operation, he relented, allowing The Edge to continue using drum machines, which contributed heavily to the album's electronic feel. Mullen has had tendinitis problems throughout his
I Still Haven't Found What I'm Looking For that the band recorded during a jam session. Bassist Adam Clayton called the demo's melody "a bit of a one-note groove", while an unconvinced The Edge, the band's guitarist, compared it to "'Eye of the Tiger' played by a reggae band". However, the band liked the drum part played by drummer Larry Mullen Jr. Co-producer Daniel Lanois said, "It was a very original beat from Larry. We always look for those beats that would qualify as a signature for the song. And that certainly was one of those. It had this tom-tom thing that he does and nobody ever understands.