Throughout the beginning of 2003, Spears started testing tracks by playing them in nightclubs such as Show in New York City.
[...] Je delo, ki bi ga morala snemati trenutno in res ga je ustvarila.« Album "In the Zone" so snemali v studiu Battery in studiu The Dojo v New York Cityju, studiu 3:20, studiu Decoy, studiu Pacifique, studiu Record Plan in studiu Westlake Audio v Los Angelesu, Kalifornija, studiu The Chocolate Factory v Chicagu, Illinois, studiu Triangle Sond v Atlanti, Georgia, studiu Metrophonic in studiu Olympic v Londonu, Anglija ter studiu Murlyn v Stockholmu, Švedska.