CD maxi single—Remixes "Oops!... I Did It Again" (Album Version) – 3:31 "Oops!... I Did It Again" (Rodney Jerkins Remix) – 3:07 "Oops!... I Did It Again" (Ospina's Crossover Mix) – 3:15 "Oops!... I Did It Again" (Riprock 'n' Alex G. Oops! We Remixed Again!) [Radio Mix] – 3:54 "Oops!... I Did It Again" (Ospina's Deep Club Mix) – 6:05 "Oops!... I Did It Again" (Riprock 'n' Alex G. Oops! We Remixed Again!) [Club Mix] – 4:52 "Oops!... I Did It Again" (Ospina's Instrumental Dub) – 6:05 12-inch vinyl "Oops!... I Did It Again" (Rodney Jerkins Remix) – 3:07 "Oops!... I Did It Again" (Music Breakdown Mix) – 3:16 "Oops!... I Did It Again" (Ospina's Crossover Mix) – 3:15 "Oops!... I Did It Again" (Jack D. Elliot Club Mix) – 6:24 "Oops!... I Did It Again" (Riprock 'n' Alex G. Oops! We Remixed Again!) – 4:52 "Oops!... I Did It Again" (Ospina's Deep Edit) – 3:24 Credits and personnel Credits are adapted from the liner notes of Oops!... I Did It Again. Britney Spears – lead vocals, background vocals Max Martin – songwriting, producer, mixing, programming, keyboard, background vocals Rami Yacoub – songwriting, producer, mix engineer, programming, keyboard John Amatiello – Pro Tools engineer Esbjörn Öhrwall – guitar Johan Carlberg – guitar Tomas Lindberg – bass guitar Nana Hedin – background vocals Chatrin Nyström – crowd noise Jeanette Stenhammar – crowd noise Johanna Stenhammar – crowd noise Charlotte Björkman – crowd noise Therese Ancker – crowd noise Charts Weekly charts Year-end charts Decade-end charts Certifications and sales Release history See also List of Romanian Top 100 number ones of the 2000s List of most expensive music videos References 2000 singles Britney Spears songs Number-one singles in Australia Ultratop 50 Singles (Wallonia) number-one singles RPM Top Singles number-one singles Number-one singles in Denmark European Hot 100 Singles number-one singles Number-one singles in Hungary Number-one singles in Italy Dutch Top 40 number-one singles Number-one singles in New Zealand Number-one singles in Norway Number-one singles in Poland Number-one singles in Romania Number-one singles in Scotland Number-one singles in Spain Number-one singles in Sweden Number-one singles in Switzerland UK Singles Chart number-one singles UK Independent Singles Chart number-one singles Jive Records singles Song recordings produced by Max Martin Songs written by Max Martin Music videos directed by Nigel Dick Songs written by Rami Yacoub Song recordings produced by Rami Yacoub 1999 songs Music videos