Abstract: A web enabled e-commerce computer system and method for creating, managing, and marketing collaborative works is disclosed. The system allows registered users to upload their unfinished creative works in a digital electronic file format and allows access to the files by other registered users in order to add, modify, or rearrange the composition of the files in order to transform the unfinished creative work into a marketable finished work. The system tracks the relative contributions of the other registered users and when the work is finished the system calculates the respective ownership shares of each of the users based upon their respective contributions.