Albums were still big in the 70's but the cassette was gaining all the momentum, soon to be taken over by the CD's.
Albums were fun. You grabbed a 'stack' of your fav's and headed over to the party for a night of drinking and whatever and spinning good tunes. One person was put in charge of playing the albums, this meant that they would not scratch them and always put them back in the sleeve. And never use your album cover for a coaster. That was a 70's no-no.