Change Tempo in Audacity

Audacity offers many great tools for editing audio files. We use Audacity, which is a free and open-source tool, over a number of other apps that we paid good money for. One of the major things that we use it for is to convert audio cassettes onto CDs. Unfortunately, a 90-minute tape will not fit on a CD, which can only hold 80 minutes of audio. In order to get our audio to fit, we use tools in...