You're looking for a piece (or a song) from The Doors' live performance at the Aquarius Theatre, specifically from their second show which was notably hot. The Doors performed at the Aquarius Theatre in Los Angeles on July 21 and August 26, 1969. Given the description of it being hot and a second performance, it's likely you're referring to the August 26, 1969 show.
This is the centerpiece of the second show. Clocking in at nearly 15 minutes, Morrison deviates wildly from the first performance. He inserts new spoken word segments about the Miami trial, shouting, “I am being tried for a crime I did not commit… rock and roll!” The audience is stunned. Krieger’s guitar solo is sloppy but emotionally devastating. You're looking for a piece (or a song)
The live album captures the second of two complete shows performed by The Doors at the Aquarius Theatre in Hollywood on July 21, 1969 . This is the centerpiece of the second show