Green day去左邊?

I had checked wikipedia, it said they are preparing the 8th album and he had been writing songs by piano. He made about 45 songs at the moment and he said they are middle-aged.

On wikipedia:

In an interview with Kerrang!, Billie Joe Armstrong revealed that 2008 would be a fair estimate of the release date of their new Untitled 8th Studio Album

In October, Billie Joe announced more on this new album, saying he had been writing new material on the piano, and had around 45 songs. He stated he wanted the new music to dig into what he's feeling at the moment - which is middle-aged.