THANKS FOR 1,000,000 VIEWS Week of February 07, 2015 (02/07/15) | WEEK 151 Top 40 Songs | Best Billboard Music Hits Chart SUBSCRIBE HERE for Top Songs. This week's most popular songs across all genres, ranked by radio airplay audience impressions as measured by Nielsen Music, sales data as compiled by Nielsen Music. Week of February 7, 2015 (02/07/15) | Top 50 Songs | Best Billboard Music Hits Chart SUBSCRIBE HERE for Top Songs EVERY WEEK: -----. As the concert business rebounded in 2011, touring remained the biggest source of income for the top earners in the U.S. music business. Billboard's sixth. The Billboard Hot 100 is the music industry standard record chart in the United States for singles, published weekly by Billboard magazine. Chart rankings are based. The Billboard charts tabulate the relative weekly popularity of songs or albums in the United States and elsewhere. The results are published in Billboard magazine.