The groundbreaking Left Banke boldly expanded on the classical rock concept, paving the way for bands like Procol Harum and the Moody Blues.

The late Gene Clark’s work never lacked critical praise, but mainstream acceptance was not to be had – and ‘Firebyrd’ was no exception.

Spurred by his wife Pam’s terminal illness, singer, songwriter and guitarist Guy Capecelatro III translated his emotions onto tape.

‘Christmas Album’ finds the Jackson 5 interpreting smartly selected material with an emotional maturity and sincerity far beyond their young ages.

Featuring spirited harmonizing and red-hot grooves, Chairmen of the Board’s ‘Greatest Hits’ asserts the heartfelt sounds of a group primed for rediscovery.

Songwriting combines with dynamic musicianship to make Spirit’s ‘Twelve Dreams of Dr. Sardonicus’ a too-often-overlooked masterpiece.

Mixing elegance with volume and power, “Questions 67 & 68” shines a light on vintage Chicago in the best possible way.

Itching to do his own thing, Jimi Hendrix bassist Noel Redding formed Fat Mattress, which fused whimsical psychedelic pop with sunshine-spangled folk rock.

‘Two Yanks in England’ finds the Hollies working with the Everly Brothers, one of their key influences. Two future Led Zeppelin members, were there, too.

The Undertones produced outstanding songs, but they unfortunately never netted enough sales to acquire widespread notice, remaining a cult favorite.