On this page http://www.pgmusic.com/tutorial_bbwrender.htm#realtime there are 3 methods listed for rendering songs to a WAV. Without having DXi can I still render using option 1 (ie record the song in real time)?

Ultimately I bought BiaB so that I can quickly make backing tracks, save them as an MP3, and then play along with the recording in a live performance. I'm just trying to work out if DXi is essential for this, or just a "nice to have".