Alison Krauss and Union Station have reformed for their first album of new music in 14 years.
When members of the band Greensky Bluegrass meet up with such bluegrass greats as Del McCoury or Sam Bush, the musicians are delighted to play together.
The Peas get the crowd jumping almost immediately with 'Pump It', and their song written especially for the occasion proves that they do seem to genuinely care about the issues of climate change.