One all-night session back at the band’s house in/scrunch-faced

[Vladv1]

When it was suggested he might like to turn up at the band’s next rehearsal for an informal jam, he merely shrugged. How about he simply grab his Gretsch guitar and take off with them right now? 1.One all-night session back at the band’s house in nearby Mona Vale and Malcolm was in, though there was some concern initially over their prospective new member’s age, which they guessed – given his height and weight – to be around 12. Something a 2. "scrunch-faced" Malcolm also put them straight about in record time.

Mick Wall, "Hell Ain't A Bad Place To Be"

1.Could you reword One all-night session back at the band’s house in nearby Mona Vale and Malcolm was in?2
2. Does scrunch-faced mean wrinkled here?

 

[jutfrank]

1. After a long evening of music and probably drugs and alcohol at the band's house in Mona Vale, Malcolm was accepted as an official member of the band.
2. It means he wasn't happy about them guessing he was 12. His face has an expression that shows this.