Assertion: chart's song | /r/HasProperty | played
Facets:
value: from 6 january
type: TEMPORAL
Source sentences:
text: From 6 January 1991, every song in the top 40 was played and in March 1992 the programme was extended to three hours to allow for each song again to be played in full.
text: Rock Albums was a survey of the top albums on American rock radio, while Top Tracks listed the top individual songs being played.