33s and 45s esse aqui. Destination Quasar 16.33.45.78 http://www.history-of-rock.com/record_formats.htm Why 78, 45 and 33⅓ record formats? records 33s and 45s 33s 33s and 45s history-of-rock.com 33s and 45s 33s and 45s in vinyl record record History of record formats 33s and 45s 33s and 45s 33s and 45s Why 78, 45 and 33⅓ record formats? 33s and 45s 33s and 45s