On the other hand, that same week had the highest level of on-demand audio and video streams on record. The week posted 6.6 billion streams, with the top track (“Watch Me” by Silento) commanding 22.3 million of them. Nielsen’s data also showed that in the year-to-date, on-demand streams have increased 100% over the same time frame last year: from 95.8 billion in 2014 to 191.4 billion in 2015.