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HMDT Music

About us

Adam S. Eisenberg General Director
Tertia Sefton-Green Creative Director
Rebecca Redfern Music Manager
Helen Kelly Projects Assistant

HMDT Music
Second Floor
22 Aldermans Hill
London N13 4PN

020 8882 8825
020 8882 6253

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email Adam S. Eisenberg

email Tertia Sefton-Green

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Adam S. Eisenberg, General Director

AdamA native of New York City, Adam holds a B.A. degree in East Asian Studies and Politics and an M.A. in Social Studies Education and Cultural Studies from New York University. He began his career as an educator, teaching Secondary School students in History and Social Studies. He then moved into the entertainment field in 1989, and worked as a talent agent in Los Angeles, booking a variety of international musical talent, from pop and rock-and-roll to jazz and world beat music.

As Director of Education and Outreach for San Diego Opera (1994 – 98), Adam was responsible for the San Diego Opera Ensemble and Operation:Opera, the largest opera education programme of its kind in the United States.

Prior to his appointment at HMDT in 1999, Adam served as a Manager in the Orchestral Touring Department at IMG Artists (London), where he was responsible for the booking of tours for a number of UK and foreign orchestras in Europe, the United States and the Far East.

An avid fan of all forms of music, he has hosted panel discussions and outdoor concerts with featured artists and continues to give presentations on opera and the music business. He was a tutor for the Rose Bruford College distance learning degree in Opera Studies, has appeared on several panels on the subject of music education with OPERA America, served as a grants advisor and reviewer for the National Endowment for the Arts (NEA), and continues to act as an advisor for grant giving organizations in the UK.


Tertia Sefton-Green, Creative Director

TertiaTertia holds a B.A. Hons. and M.A. Hons. in English from Selwyn College, Cambridge and studied singing at Guildhall School of Music and Drama and Royal Northern College of Music. After leaving Glyndebourne Chorus, her singing career included roles with opera companies in the UK and abroad, a range of concert work and, extensive outreach work. In 1997, she won a Churchill Fellowship to research Opera Education in the United States, and has written teachers' packs for Royal Opera House, English National Opera, English Touring Opera and San Diego Opera, and worked as Tutor, and Attachments and Residential School Co-ordinator on Rose Bruford College's Opera Degree Course.

Tertia was Executive Producer for the Covent Garden Festival's Creation Day 2000, and the following year, she set up and ran the prolific Education Department at the Handel House Museum where work included a young artists' performance programme, devisary school projects, participatory family events, adult workshops and an after schools' programme.

Her work as Project Director for HMDT includes the highly acclaimed primary school opera projects I Can Sing! The Hackney Chronicles, and The World Was All Before Them, and the RPS Award winning projects Operaction Hackney: Learning Through the Arts, HMDT's production of On London Fields, Confucius Says, and creating HMDT's international touring project Hear Our Voice.


Rebecca Redfern, Music Manager

Rebecca holds a BMus (hons) from Cardiff University from where she graduated in 2006 after winning the Sir Geraint Evans prize for singing. She also holds a PGDip in Arts Management and an MA in Cultural Policy and Management from City University, London.

Prior to joining HMDT Music, Rebecca was the Community and Education Officer for the Royal Philharmonic Orchestra where she ran the very active primary schools programme, SEN programme and the Advanced Musicianship strand which included the RPO resound Summer School. She has also worked as Teaching Assistant, Project Leader and Creative Composition Coach at Christ Church Primary School.

Rebecca grew up in the youth orchestra set up, being a member of the local Bristol Schools Philharmonic Orchestra on the oboe and as a member of IAPS and NSSO Symphony Orchestras as first Harp. Whilst at school, she toured Europe with Clifton College Chamber Choir and The Madrigal Group as well as doing a season with the Opera Project as one of their 'spirits' in the Magic Flute. Rebecca continues to work as a musician, accompanying chamber choirs such as English Chamber Choir, and as a private singing and harp tutor.


Helen Kelly, Projects Assistant





Farquhar McKay currently works as the strategic coordinator for 14-19 learning in Lambeth with the responsibility of working with schools, and local college and voluntary sector providers on planning and curricular development. Previously he managed the Adult Learning programmes in Hackney, developing his skills in negotiating contracts within strict public sector financial constraints. He has held a range of responsibilities in education and regeneration management as an English and careers teacher, Education Business Partnership manager and Regeneration officer.

Tony Clark has over 40 years in the music business having started his career as a sound engineer at Abbey Road Studios and progressing to Senior Engineer and Producer. He has worked alongside artists such as The Beatles, Yehudi Menuhin and Stevie Wonder. He later joined the innovative British Record Industry Trust School for the Performing Arts and taught and projected manage all the technical areas (theatre space, recording studios, video studios and radio studios) as well as supporting the students as Executive Producer in yearly shows and recording projects.

Tina Jones has a background in Music Publishing working as an Editor for Peters Edition for several years. She is currently a freelance editor of classical, contemporary and educational music working with a range of composers both in the UK and internationally.

Jacqueline’s 30 years in the teaching profession, include being a Head Teacher (and turning around a failing school into an Outstanding beacon of Best Practice), and Executive Head Teacher, for which she received a 'Lifetime Achievement' Award from the LEA and was a finalist for the national award, as well as acting as an advisor and consultant. Invited to speak at many conferences (including Cultural Partnerships, Cultural Learning Alliance), on the use of creativity in learning, she has also spent time in China, Canada, USA and Turkey studying their educational systems and made links with Harvard University, sending many staff to attend courses there to learn more about teaching creatively.



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HMDT Music
Second Floor
22 Aldermans Hill
London N13 4PN
Tel: 020 8882 8825
Fax: 020 8882 6253


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