“Blue & Grey” is BTS’s song from their “BE” album released 20th November 2020 as the third track on the album. The song was written by V, Suga, RM, J-Hope, Metaphor, and produced by V, Park Ji-soo, Levi, and Hiss Noise. Originally intended to be included on V’s solo mixtape, the track was included on “BE” after BTS listened to it and liked it. “Blue & Grey” is a slow, tender pop ballad, its lyrics reflect on depression, burnout, anxiety, and pandemic-induced loneliness using the colors blue and grey. It was originally in English and was first teased during BTS’ reality show In the Soop in September 2020.
The song became a successful album track, reaching number 13 on the US Billboard Hot 100. On the Billboard Global 200, which tracks the most streamed and digitally sold songs in over 200 territories, “Blue & Grey” arrived at number nine, earning 26.8 million streams and 87,000 units sold globally, becoming the top-selling song of the tracking week. It further entered the charts of 10 countries, including Hungary and South Korea. It also reached number two on both the US Digital Songs Sales and the World Digital Song Sales charts
It became BTS’ third top 10 hit on the Billboard Global 200 chart and also became the third song from “BE” to enter the top 10. The song also entered at number 15 on the Billboard Global Excl. U.S. chart, which tracks the same metrics with the exclusion of the US.