Provided are methods, apparatus and systems for the sale of digital content over a network. The disclosure herein discusses the recording of a broadcast of a digital data stream by a broadcast receiving device. A listener may select a particular digital data stream to purchase by selecting a content identifier associated with the digital data stream of interest at the recording device. Upon obtaining the selection, a purchase request message is transmitted to an intermediary communication device. The purchase request message includes at least the content identifier. After the transaction is completed at a transaction server, a purchase confirmation message including at least a digital rights management key associated with the digital data stream is returned to and received by the broadcast receiving device. Upon receipt, of the digital rights management key, the recorded digital data stream is released for reproduction.