Mediabase Revises Recurrent Rules
March 22, 2012 at 12:01 PM (PT)
MEDIABASE has changed its recurrent rules. effective APRIL 1st, 2012 with the airplay week of MARCH 25th-31st.
For all formats except Country and AC: Songs below No. 10 are removed from the chart after 20 weeks provided they have peaked in the Top 10. If a song has not peaked in the Top 10, it must be down in spins for two consecutive weeks and have been on the chart over 20 weeks.
For AC: Songs below No. 5 are also removed after 40 weeks and/or songs below No. 10 are removed from the chart after 20 weeks
There are no changes to the Country chart.
Songs trending down in spins and points for three consecutive weeks below #1 are removed.