Complex sentence: With no new recording, the LP served to remind that the Beatles were no more, but had the advantage of durability over the original flexi discs, and, for the US, it was the first time the 1964 and 1965 messages had been made available.
Split into simpler sentences: With no new recording, the LP served to remind that the Beatles were no more, but had the advantage of durability over the original flexi discs. In the U.S. it was the first time the 1964 and 1965 messages had been made available.