Unlike older DAWs that required destructive time-stretching, ACID Pro 7.0 used . You could take a vocal track recorded at 90 BPM and speed it up to 130 BPM with decent artifact management—something competitors couldn't do natively without third-party plugins.
If you managed to acquire the ISO (typically around 2.5GB), the contents included: Sony ACID Pro 7.0 Retail-DI