Marin Alsop conducted the Sao Paulo Symphony Orchestra in a beachfront concert Sunday for 20,000 people in Santos, Brazil. Desiree Furoni hide caption

itoggle caption Desiree Furoni

Myrlie Evers-Williams leads her three children — Reena (from left), Van and Darrell — at the family piano, circa 1965. Courtesy of the Evers family hide caption

itoggle caption Courtesy of the Evers family

Andre Rieu's latest release is an album and DVD of Christmas music called Home for the Holidays. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Cellist Alisa Weilerstein Jamie Jung/Courtesy of the artist hide caption

itoggle caption Jamie Jung/Courtesy of the artist

Dutch composer Michel van der Aa, winner of the 2013 Grawemeyer Award for Music Composition. Marco Borggreve/courtesy of the artist hide caption

itoggle caption Marco Borggreve/courtesy of the artist

Composer Max Richter's new album takes on Vivaldi's Four Seasons. Erik Weiss/Courtesy of the artist hide caption

itoggle caption Erik Weiss/Courtesy of the artist

As a young classical composer, Missy Mazzoli borrows music and business strategies from the indie rock world. Stephen Taylor hide caption

itoggle caption Stephen Taylor

Ambient music composer William Basinski says the four-volume work, now a box set, saved his life. James Elaine hide caption

itoggle caption James Elaine

From coffeehouses to punk clubs, Matt Haimovitz has played his cello in some surprising places. Steph Mackinnon hide caption

itoggle caption Steph Mackinnon

Flanked by composer Leonard Slatkin and soprano Jessye Norman, John Williams takes a bow during his 80th-birthday celebration at Tanglewood in August. Stu Rosner hide caption

itoggle caption Stu Rosner

Over the past four decades, Benoit Rolland has made more than 1,400 bows for violins, violas and cellos. Courtesy of the John D. & Catherine T. MacArthur Foundation hide caption

itoggle caption Courtesy of the John D. & Catherine T. MacArthur Foundation

Conductor Gustavo Dudamel and the Los Angeles Philharmonic. Courtesy of the Los Angeles Philharmonic hide caption

itoggle caption Courtesy of the Los Angeles Philharmonic

Jonny Greenwood is responsible for the score of The Master and There Will Be Blood. S. Katan/Courtesy of the artist hide caption

itoggle caption S. Katan/Courtesy of the artist

To audition for the BSO, percussionist Mike Tetreault was required to prepare musical excerpts from 50 pieces on nine different instruments, including timpani. Sean Hagwell /Mike Tetreault hide caption

itoggle caption Sean Hagwell /Mike Tetreault