Generating custom audio content for an exercise session

A computer product comprising a non-transitory computer readable medium storing a plurality of instructions that when executed control a computer system to generate content for an exercise session, the instructions comprising:

• causing, by a computing system comprising one or more processors, a display device to display a first segment of an exercise video;
• obtaining, via one or more sensors of the computing system, data comprising an internal property of a user performing a first exercise associated with a first segment of the exercise video while the user is performing the first exercise associated with the first segment of the exercise video;
• in response to obtaining the data comprising the internal property of the user, automatically modifying, by the one or more processors of the computing system, at least one of a number of repetitions and a duration of a second exercise associated with a second segment of the exercise video that occurs after the first segment in real-time by atomizing video tracks depicting the second exercise to generate a customized second segment for the user based, at least in part, on the internal property of the user;
• and
• causing, by the computing system, the display device to display the second segment of the exercise video with the customized second exercise.