Coldplay are to release a special version of new single 'Lost' which features US rapper Jay-Z.

In a message on their website, the band said the song was part of series of “musical moves that we have not previously attempted.”

In addition to the Jay-Z remix, the band will release a new EP in November entitled 'Prospekt's March'.

The EP contains eight songs that were not completed in time for the deadline of their latest album 'Viva La Vida or Death and All His Friends'.

Coldplay frontman Chris Martin has previously made guest appearances on Jay-Z's own material.

The EP's tracklisting is as follows:

1. Life In Technicolour II
2. Postcards From Far Away
3. Glass Of Water
4. Rainy Day
5. Prospekt's March / Poppyfields
6. Lost +
7. Lovers in Japan (Osaka Sun remix)
8. ow My Feet Won't Touch The Ground

(by Jason Gregory)