Interesting facts (The Beatles)

After their first album's release each of them received 29 pounds.
First profesional musical instrument which Paul McCartney acquired was violin's form Bass-Guitar.
At the time all four of them had American wives.
A composition was recorded only with 4 double.
A song became the first song which was released in Soviet Union is 1967 year.
First record was made in 1958 year.
They were first who wrote on the backside of their album texts of all songs included in their album.
The album was named .
A song Paul McCartney dedicated to John Lennon's child Julian.