Assertion: multitrack recording | /r/CapableOf | reach 8 tracks
Facets:
value: in the 1950s
type: TEMPORAL
Source sentences:
text: In the mid 20th century, recordings were analog, made on ¼-inch or ½-inch magnetic tape, or, more rarely, on 35mm magnetic film, with multitrack recording reaching 8 tracks in the 1950s, 16 in 1968, and 32 in the 1970s.