An official email sent to the offices of all U.S. Senators on Monday evening stating that the Music Modernization act had officially been hotlined, began a 24 hour countdown for a voice vote by the full Senate late on Tuesday or early on Wednesday. On Monday, Massachusetts Senator Elizabeth Warren became the 75th of 100 Senators publicly endorsing the bill. Her full support had been in question.
Source: Music Modernization Act Vote Late Today, Early Wednesday