Complex sentence: Harrison wrote "Savoy Truffle" as a tribute to his friend Eric Clapton's chocolate addiction, and indeed he derived the title and many of the lyrics from a box of Mackintosh's Good News chocolates.
Split into simpler sentences: Harrison wrote "Savoy Truffle" as a tribute to his friend Eric Clapton's chocolate addiction. He derived the title and much of the lyrics from a box of Mackintosh's Good News chocolates.