‘Throughout its nearly 50-year career, the Kronos Quartet has been known for a dual commitment, both to contemporary music and to helping train young musical ensembles. But for a long time, there was a practical tension between those two goals.

“The quartet does a lot of teaching and coaching when they’re on tour and at home,” said Janet Cowperthwaite, the ensemble’s longtime executive director. “We’d be setting up these sessions, and we’d ask if the young group had something contemporary they could work on together. And they’d go, ‘well … ’ ”

What was needed, clearly, was a body of new music for budding string quartets to train on — scores as readily available as the old standbys by Haydn and Dvorák, but responsive to the needs of a 21st century ensemble.

That’s where “50 for the Future” came in….’ (Datebook)