Nate Chinen

The music of pianist and composer Abdullah Ibrahim conveys an extraordinary depth in stillness. More than perhaps any other improvising artist, he knows how to turn the solitary act of introspection into a communal experience that's both transporting and immersive.

Thelonious Monk, the incomparably influential jazz composer and pianist, would have turned 100 today, and across the country a healthy range of commemorative tributes is already underway. But the flagship event that bears his name has quietly been put on hold: the next Thelonious Monk International Jazz Competition, which at one point had been scheduled for this week at the Kennedy Center in Washington, will not happen in 2017.

Indo-Pak Coalition, an improvising trio led by the alto saxophonist Rudresh Mahanthappa, finds its purpose in myriad forms of convergence. A decade ago the group released its auspicious debut album, Apti, announcing an inspired accord between Mahanthappa, a second-generation Indian-American; guitarist Rez Abbasi, who was born in Pakistan but raised in Los Angeles; and Dan Weiss, an Anglo-American drummer with a deep interest in Indian percussion.

Antonio Sánchez, the virtuoso drummer and composer, can often be found on tour — tending rhythmic fires for guitarist Pat Metheny; leading Migration, his own dynamic post-bop band; or performing his solo drum score at screenings of Birdman or (The Unexpected Virtue of Ignorance), the 2014 Alejandro G. Iñárritu film.

Jazz singing has always been a tree with firm roots, but a wild entanglement of branches. Its sound and shape are mutable, prone to outside influence and local inflection. Take the two artists featured in this week's episode of Jazz Night in America, recorded at the 2017 San Jose Jazz Summer Fest — each a cultural ambassador as well as a cosmopolitan, with the elusive ability to bring any audience along for the ride.

Esperanza Spalding — the multiple Grammy-winning bassist, singer-songwriter, bandleader and composer — maintains a fierce commitment to the unfolding moment. Spontaneity is her watchword and her discipline, the condition to which she aspires.

Kendrick Scott opened his first set on Tuesday night, at the Jazz Standard in New York City, with a pensive new composition titled "Home." It had a bittersweet melody, a waft of dark harmony, and a beat defined both by chop and flow. "I'm just going to send this out as a meditation for everybody in Houston, Texas right now," said Scott, a drummer, as he introduced the tune.

There's an emblematic photograph of Herbie Hancock on the back cover of his album Sunlight, which he began recording 40 years ago this month. He's depicted against a red backdrop with a Sennheiser vocoder headset on his cranium, which is bowed in deep focus.

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