Sziget 2027, billionaire McCartney and ailing Molko: how much do you know about this week's music news?

Seven questions on this week's music news: Sziget acts, a billionaire Beatle and a postponed Placebo gig. Show how well you keep up!

1. How many acts did the 2027 Sziget line-up announcement start with?
2. Which Irish band is among the first announced names of Sziget 2027?
3. Which act does Liam Gallagher's child perform with at Sziget 2027?
4. What is 84-year-old Paul McCartney's fortune estimated at?
5. Who rank ahead of McCartney among the richest music performers?
6. Why did Placebo postpone two consecutive concerts?
7. Which city would be the next stop on Placebo's tour after the two postponed gigs?