For me, I just pick up the guitar and start doing any scales that i can remember. From there, i'll try to start a small riif of my own ... no "stealing" from any guitarist ... purely sendirian BHD riffs. I do one riff on day one and another at day 2 .... then join both at day 3 or something like that.

Besides that, I try to play and read the piano notes (which has no chords nor tabs) to futher improve my erh "reading skills" . Easier when playing in church, just look at the pianist's notes and play. No need to write chords down.