Robert Plant publicist refutes tabloid reports
Plant reportedly said there's 'no chance' of a reunion tour
Band's previous four albums all used Roman numeral system
The band reissue 1971's 'Led Zeppelin IV' this week
It features on the deluxe reissue of 'Led Zeppelin IV'
Court hears how late Spirit guitarist Randy California should be given a writing credit on the song
'Led Zeppelin IV' and 'Houses Of The Holy' will be reissued on October 27
Reissue is due for release October 28
Legendary axeman reveals he will be forming his own group at London playback of 'Led Zeppelin IV' and 'Houses Of The Holy' remasters
Singer plays six Led Zeppelin songs including 'Black Dog' and 'Whole Lotta Love' at London Roundhouse