[Answer] 3. One of redwaldo's hobbies is collecting the music of The Beatles. In what format would this music be most valuable to a collector?

Step 1 : Introduction to the question "3. One of redwaldo's hobbies is collecting the music of The Beatles. In what format would this music be most valuable to a collector?"

...1. iTunes 2. compact discs 3. vinyl records 4. cassettes The music of The Beatles was released on singles(7 inches) and Long Plays (L.P.),which were 12 inches in diameter. Early recordings (such as Please Please Me) were only available in mono, but this changed to stereo in the mid-1960s. Original vinyl records of The Beatles sell for a premium at record fairs, particularly if the record is in mint condition. The singles were played at 45 r.p.m. and L.P.s at 33 1/3 r.p.m.

[Answer] What is a more formal term for coin collecting?

Step 1 : Introduction to the question "What is a more formal term for coin collecting?"

...Numismatics is derived from a Latin word, "numisma," meaning coin. In a broader sense, numismatics can also refer to paper money, tokens, and other items used as a medium of exchange. Phliately is the hobby of collecting stamps. Deltiology refers to collecting postcards. Fusilately is the hobby of collecting telephone cards.