Marketing battle between CBS and RCA because they had similar products that were not compatible. They compromised and LPs were for albums and 45s were for singles, record players wee designed for both. (1 janv. 1948 – 1 janv. 1953)
Ajouté au bande de temps:
Date:
1 janv. 1948
1 janv. 1953
~ 5 years