Jay-Z, Coldplay's Chris Martin Song Emerges Online

A new song featuring Jay-Z and Coldplay frontman Chris Martin has emerged online.

The track, entitled 'Most Kingz', is included on a new 'Invasion Radio 2k10' mixtape by Green Lantern.

The DJ told blog 2dopeboyz that she track was a by-product of recording sessions Jay-Z and Martin had for the rapper's 2006 album 'Kingdom Come'.

He said Jay-Z, who is close friends with Martin, failed “to find a beat” for the track.The Coldplay star eventually appeared album track 'Beach Chair'.

'Invasion Radio 2k10' also includes songs by Rick Ross, Kid Cudi, Nas and The Dream.

Meanwhile, Jay-Z revealed earlier this month that he would have robbed Martin if they had met in the past.

(by Jason Gregory)

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