About

Composer | Arranger | Musical Director | Jazz Guitarist | Teacher

Whether composing for an ensemble, performing on stage or leading a workshop, my goal is always the same: to encourage curiosity, collaboration and creative thinking.

For more than two decades I have pursued two parallel careers that have continually enriched one another: one in international executive leadership and another in jazz composition, arranging, performance and ensemble direction. Throughout this journey I have come to realise that the same principles that shape successful music-making—listening, trust, preparation, collaboration and creativity—are equally valuable in every professional environment.

As the founder and Musical Director of Patavinas Jazz Club, a thirteen-piece Brazilian "Small Big Band", I have composed, arranged and produced five albums of original music, performed extensively throughout Brazil, collaborated with internationally recognised musicians, and had my compositions featured in Brazilian television productions.

Alongside my work as a composer and arranger, I continue to perform as a jazz guitarist with big bands in both Brazil and the United Kingdom. My current artistic interests focus on jazz composition, orchestration, improvisation and the development of original repertoire that combines Brazilian musical traditions with contemporary jazz.

Manchester - United Kingdom

Email: andrehemsi@gmail.com

Telephone: 07359 195 944

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Areia - Salt N Wind

Patavinas Jazz Club

With a mature and refined sound, this São Paulo–based little big band reaches the highest levels of musicality and performance, distinguished by a style that is entirely its own. Comprised of twelve musicians, the Read more

With a mature and refined sound, this São Paulo–based little big band reaches the highest levels of musicality and performance, distinguished by a style that is entirely its own. Comprised of twelve musicians, the Patavinas Jazz Club delivers original compositions that traverse a wide spectrum of rhythms and harmonies, from jazz and samba to rock and frevo.

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    Areia 4:44
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    Release the Chiken 4:07
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    Cora 4:18
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    Pedro 4:48
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    A Carta 4:46
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    Retrato do Futuro 5:16
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    Fujão 5:45
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    Frevo 4:52
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    Pri 5:32
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    Bora La 4:11
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    Los Andes 4:55
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    A Ultima Flor 6:10
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    Para Clarice 5:15
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Latest News

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    Jul 16, 2026

    Be Right Back Quintet at The MET in Bury

    On 20 June 2025, I had the pleasure of performing with the Be Right Back Quintet at The MET in Bury for a very special evening of music in support of Cancer Research UK.

    It was a wonderful night,…

    Read more

    Jun 28, 2026

    Finding Your Own Voice: A Lesson from Nik Bärtsch

    One of the greatest privileges of being a musician is occasionally meeting the people who have inspired your own musical journey.

    On 11 August 2023, I had the pleasure of meeting one of my musical heroes, the extraordinary Swiss…

    Read more

    Jun 28, 2026

    Bringing Transmutante to Life

    One of the greatest privileges of being a professional musician is the opportunity to help bring someone else's artistic vision to life.

    In 2017, I had the pleasure of recording all the guitar parts for Transmutante, the debut…

    Read more

    Jun 28, 2026

    When "Between Tides" Met Osvaldo Golijov

    Some musical moments stay with us forever.

    On 28 October 2010, I had the honour of participating in a Composition Masterclass organised by the Academia OSESP at the magnificent Sala São Paulo, one of the world's finest concert…

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    Jun 26, 2026

    Workshops

    Rather than presenting a conventional lecture on jazz, I would like to invite participants into the creative process itself.

    Themes include:

    • The Art of Listening: What Jazz Can Teach Us About Leadership
    • Composition as Problem Solving
    • Improvisation Beyond Music
    • Building…
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    Studio Shots