Anastasia Tsioulcas

A 23-year-old, Russian-born violinist named Artem Kolesov is capturing international attention after posting a YouTube video in which he comes out as gay.

Practice is a physical activity, of course, but it's also hard mental work — if you're doing it right. A new video published by TED Ed gets down to the scientific nitty-gritty of what good practice looks like, and what it does to your brain. (Think axons and myelin, not "muscle memory" — muscles don't have "memory.")

The Polish-born conductor and composer Stanislaw Skrowaczewski, who led the Minnesota Orchestra for nearly two decades and worked with that symphony for well over 50 years in total, died Tuesday at age 93.

In a season of relentless shouting, the best antidote might be singing. Mezzo-soprano Joyce DiDonato's new album with conductor Maxim Emelyanychev and the ensemble Il Pomo d'Oro, In War & Peace: Harmony Through Music, uses Baroque arias to explore the pain and possibilities of these troubled times. A companion website invites anyone and everyone to answer the simple but loaded question, "In the midst of chaos, how do you find peace?"

Today, Amazon announced the debut of an on-demand music-streaming service called Amazon Music Unlimited. With a subscription model like Spotify and Apple Music, Amazon will charge standard subscribers $10 per month; for Amazon Prime subscribers, just $8 a month; and for users of its Echo devices, only $4 a month.

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