Final answer:
Revenue from music streaming in the United States exceeded all other music revenue sources in the year 2016.
Step-by-step explanation:
The student has inquired about the year in which revenue from the streaming of music in the United States surpassed all other sources of music revenue. Based on industry reports and data trends, it can be confirmed that the revenue generated from music streaming surpassed other forms of music revenue in the year 2016. This marked a significant shift in how consumers accessed music, transitioning from physical and download sales to streaming as the primary channel.