The Boat That Rocked/Heartwarming

Unsurprisingly, considering this is a Richard Curtis film, there are many of these.

""This, my friends is Abbey Road. Somewhere in there, John, Paul, George and Ringo are making music. And you know what, I love American rock and roll, but I have enough brains in my head to know that we’re standing within 50 yards of four of the greatest geniuses of our time. And no matter how famous we get on Rock Radio, what we really are is fans. Fans with attitude, fans with large, attractive cocks, but fans nonetheless. And gentlemen, I'd consider it an honour if you’d join me on this historic night, in a salute to the fabulous four. The glories of our age, the bringers of joy. To our and future generations. For there will always be poverty and pain and war and injustice in this world, but there will, thank the Lord, also always be The Beatles.""
 * A particular one is the scene after Carl is and Harold and John silently approach him with tea and biscuits (which they then proceed to eat themselves). However, eating the biscuits themselves was a motivating measure, as Carl was too depressed to initiate the constitution-restoring powers of tea and biscuits himself. When he joins in, that was the Crowning Moment of Heartwarming.
 * The bit when Carl rescues Bob while "Father and Son" by Cat Stevens is playing is possibly the greatest use of a Cat Stevens song in a film ever. Also appropriate, considering
 * Also, the ending, when
 * The Count's speech from a deleted scene about what most would call the definitive band of the Sixties.