The duo split in 2004 but reformed in 2009 to play selected festivals and international concerts. In May 2011, Lamb released a fifth studio album, '5' followed by two further releases: the live album 'Live at Koko' and a DVD 'Live at the Paradiso'.
The band's next album, Backspace Unwind, was released on 13 October 2014 (Strata/Butler Records) in four formats. The first single, "We Fall in Love", released on 6 October 2014, was announced by Q Magazine on 8 September, and received an exclusive preview as its Track of the Day
The single also received the award for Best Chillout/Lounge Track at the International Dance Music Awards 2015.
Previews of other songs from the album, including a live demo of "As Satellites Go By" were also released on the band's website and social media channels. For Record Store Day 2015, the band released a limited edition 10" red vinyl featuring two tracks previously unreleased on vinyl.
Lamb undertook a UK, European, and Australian/New Zealand tour from October 2014 through 2015.
Soon they will tour again , its called "21 years" and they will be realesed a CD and DVD called " Live At Manchester Cathedral "