By Special Contributor Larry Kane

PHILADELPHIA (CBS) – In a few weeks, the group called the biggest rock and roll band ever gets a unique honor.

Led Zeppelin, the mysterious, successful and once volatile rock and roll superstar band is about to emerge after 32 years of on-again, off-again stardom.

Grammy award winning rock historian Denny Somach says the group is getting a first of a kind honor.

Somach, author of Getting The Led Out a new picture book of the band, joins us in a close up look at the group that has impacted pop culture in a big way.

Listen to entire interview:

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