Concluding our three-week look at select BBC performances, Deep Beatles focuses on a memorable George Harrison performance: “Nothin’ Shakin’ (But the Leaves on the Trees),” a rocker the Beatles had performed since their Hamburg days.

Years ago, low-quality footage surfaced of the Beatles performing “Some Other Guy” at the Cavern Club on October 22, 1962. Filmed by Manchester-based Grenada Television, the brief clip captures the Beatles playing before a packed lunchtime crowd at the Cavern.

For the next few columns, Deep Beatles shines a spotlight on their BBC performances. Before incessant screaming and the rigors of touring took their toll, the Beatles had become one of the most polished live bands on the road.

Last week marked the 50th anniversary of a cultural revolution: the release of the Beatles’ Please Please Me. Their first effort, recorded over 12 hours on a single day, stands as one of the most impressive debuts in rock history.

Last week’s Deep Beatles took a closer look at the Beatles’ 1962 audition for Decca Records. Since manager Brian Epstein wanted to present Decca’s A&R department with a vivid picture of the Beatles’ live shows, he asked the band to perform covers

Many Beatles songs contain two key elements: wordplay and nods to their R&B roots. George Harrison is no stranger to either aspect, and few songs encapsulate these qualities like “Savoy Truffle,” the White Album track

Volumes have been written on the Lennon/McCartney dynamic, after point/counterpoint exchanges graced “We Can Work It Out,” “Getting Better,” and “She’s Leaving Home.” One of their finest moments as a duo occurred during the troubled Get Back sessions.

It’s the song everyone loves to hate, the one containing squirm-inducing lyrics that are at least politically incorrect, at most misogynistic.

Since Christmas is right around the corner, I planned on writing about the Beatles’ Fan Club Christmas records. However, last week’s mass shooting in Newtown, Connecticut, has halted the usual festivities, teaching us that life is fragile.

Recently I’ve received requests to examine “Rain,” the groundbreaking B-side to “Paperback Writer.” Indeed, “Rain” has transformed into one of the Beatles’ best-loved B-sides, a masterpiece both musically and lyrically.