So, in an attempt to prevent the previous stream from being blocked, I used Youtube's built-in mute button for the mashup song that got striked. If you're wondering why there's a chunk of the stream that's silent, you now know why.
The good news is that the stream is still up for anyone to watch.
The bad news is that editing streams on Youtube, disables the chat history, which is baffling to say the least.
If you want to listen to the mashup songs featured on the stream, I have them all on my Soundcloud playlist: