As to the song Three Jolly Fisherman, the version that I learned along the way {which means I don't remember when I learned it but it probably wasn't when I was a young child} is somewhat different than the version that you posted, Gargoyle. Here's that version:
Three Jolly Fishermen
There were three jolly fishermen, fishermen. There were three jolly fishermen, fishermen Fisher, fisher, men, men, men. Fisher, fisher, men, men, men. There were three jolly fishermen.
The first one's name was Abraham, Abraham The first one's name was Abraham, Abraham Abra, Abra, ham, ham, ham. Abra, Abra, ham, ham, ham. The first one's name was Abraham.
The second one's name was I-I-saac, Isaac. The second one's name was I-I-saac, Isaac. I-I, I-I- zik, zik, zik, I-I, I-I- zik, zik, zik, The second one's name was I-I-saac.
The third one's name was Ja-a-cob, Jacob. The third one's name was Ja-a-cob, Jacob. Jay-a, Jay-a; cub, cub, cub. Jay-a, Jay-a; cub, cub, cub. The third one's name was Ja-a-cob.
They all went down to Amster-shh! Amerster-shh! They all went down to Amerster-shh! Amster, Amster, Shh! Shh! Shh! Amster, Amster, Shh! Shh! Shh! They all went down to Amster-shh!
You must not say that naughty word! Naughty word. You shouldn't say that naughty word! Naughty word. Naughty naughty, word word word. Naughty naughty, word word word. You must not say that naughty word!
I'm gonna say it any how, any how. I'm gonna say it any how, any how. Any any how how how. Any any how how how. I'm gonna say it any how.
They all went down to AmsterDAM. AmsterDAM. They all went down to AmersterDAM. AmsterDAM. Amster, Amster, DAM! DAM! DAM! Amster, Amster, DAM! DAM! DAM! They all went down to AmsterDAM!
**
Actually, I don't recall singing the last two verses. However, that's the way it was sung in the summer camp that my children attended in the mid 1990s.