EOT
Lucy in the Sky With Diamonds - no, it's inspired by a drawing by Lennon's son Julian
Mr. Tambourine Man - being a dealer is just conjecture. Anyone can make up an interpretation. Here's an example: Mellow Yellow was said to be about smoking bananas. It never was - instead it's a sexy song (I'll leave it there).
25 or 6 to 4 - He was trying to write a song, but inspiration wasn't coming. It was 25 or 26 minutes to 4 am. He asks himself, 'Should I go to bed, or keep trying?' (he made the right choice).
Hi Hi Hi - yes, but not for what you said. The multi-color band was about music. They got high while listening. It was banned in some markets, but not for the "high" part. It was sex, "get you ready for my polygon" was mistaken for "get you ready for my body gun". Polygon was suggestive, but abstract.
Willie Nelson - okay lol
Got To Get You Into My Life - The Beatles
It's about Paul's first acid trip
It's about an airplane ride whent they went to England
Crystal Ship is alcohol
and while they're at it: