Something I've learnt when playing unfamiliar material, if I get lost it's better to play nothing than hack around randomly trying to fill the silence.
No bass beats wrong bass every time. Wait for the merry go round to come back to a horse you recognise and jump back on.
Oh and worrying about mistakes benefits no one. I might think I'm being conscientious and professional berating myself for every slip, but in truth I'm just making myself tense and stressing about stuff which has gone.
Focus on the next note not the last one