Post by Spidey on Apr 3, 2012 15:54:07 GMT -5
"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.
For Country: Songs trending down in spins and points for three consecutive weeks below #1 are removed."
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.
For Country: Songs trending down in spins and points for three consecutive weeks below #1 are removed."