I keep forgetting that Jessica was in Mr.Mr cause the one thing I remember it's the awful highnote from Tiffany, Between Seohyun, Jessica & Taeyeon, they still picked Tiffany's screech as a high note... TRAGIC.
Streaming: the future, more accessible, shows more demand, brings in more revenue
$1.29 = allows a song where maybe 50 more copies were bought to be 20+ spots higher
