Based on “San Francisco Bay” by Lee Oskar (1977).
Hit version by Pitbull feat. Ke$ha (US #1 2013).
From the wiki: “Pitbull told Ryan Seacrest that the use of a harmonica on his recorded was inspired by Avicii’s hit single ‘Wake Me Up’. However, songwriters Lee Oskar, Keri Oskar and Greg Errico filed a copyright infringement lawsuit in June 2014 against the makers of ‘Timber’, claiming it features a harmonica melody that is identical to the one used in Lee Oskar’s 1978 song ‘San Francisco Bay’. The lawsuit claims that while the record label obtained permission to use the sample from a license holder, it failed to obtain permission from the songwriters themselves.”
Pitbull feat. Ke$sha, “Timber” (2013):