I personally don't play what is to be recorded the day entering the studio. Rather, I find a cover song or two that closely matches the tempo(s) of what's being recorded and warm-up over that. For me, it brings a freshness to the recorded material. There is no such thing as "Perfect" in my world. Taking the chance laying down a section or track can create interesting tidbits to the song that weren't planned or sound overly rehearsed........ After the rough draft is available for review, then final decisions can be made.
Good luck..
