Robert Plant of Led Zeppelin was the recent guest of AC/DC’s legendary frontman, Brian Johnson‘s exclusive AXSTV program, Brian Johnson’s A Life on the Road.

AXSTV revealed a rare special photo from the show and called these two icons as the greatest frontmen of all time.

Here is the caption:

“Two of the greatest frontman the world has ever seen. Don’t @ us. .
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#acdc #ledzeppelin #brianjohnson #robertplant #classicrock
#rockmusic #rocklegends #singers #frontmen #rockandroll
#hardrock #metal #music #axstv #alifeontheroad
#wales #ledzep #iloverocknroll”

Here is what they wrote on YouTube:

“Brian Johnson meets Led Zeppelin lead singer and lyricist Robert Plant to discuss some of the English rock band’s most memorable tours. Tune in to the brand-new episode this Sunday at 9/8c ONLY on AXS TV!”

You can watch the exclusive sneak peek video below.