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Sleepsongs cover art

Caitríona O’Leary & Dúlra

“So this release is quite literally a work of art, not just a beautifully sung, played and engineered audio CD.”
David Kidman, Fatea Magazine

“A treasure to own and treasure to listen to. A masterpiece of a triptych.”
Seán Laffey, Irish Music Magazine

“The captivating voice of Caitríona O’Leary enchants the listener. In Sleepsongs, she performs a selection of lullabies and other songs on the theme of sleep with Dúlra, her excellent early music ensemble.”
Séverine Garnier, TGV Magazine (France)

The Richter Scale Remixes

The Richter Scale Remixes

Berlin Techno wizard, Khan of Finland, radically reimagines four movements from Boris Bergmann’s classical composition, The Richter Scale instilling them with elegiac ambience, plangent percussion and a myriad of electronic sonic states.

Heresy’s third release from The Richter Project centered on Bergmann’s, The Richter Scale.

Available on Amazon, Apple Music, Spotify, Deezer, YouTube, etc.

Read more about The Richter Scale
The Richter Scale Artists

The Richter Scale album cover

The Richter Scale

German composer Boris Bergmann’s new composition written for Steinway’s Spirio | r, high resolution player piano receives a stupendous performance on this premiere CD by Steinway Artist Ji Liu.

A programmatic composition in 11 movements inspired by Charles F. Richter’s scale for measuring the magnitude of earthquakes, several movements are composed for four hands and performed on the Spirio | r in a stunning colloquy between man and machine.

Read more
The Richter Scale Artists

The Richter Scale Premixes

The Richter Scale Premixes

4-track EP by Berlin techno producer, DJ, Khan of Finland, German composer, Boris Bergmann and Chinese pianist, Ji Liu.

Called Premixes because they were recorded prior to the release of their source material: these remixes are techno orchestrations of Bergmann’s, The Richter Scale. The Premixes fuse melancholic ambience, driving percussion and other electronic sounds to create a unique listening experience.

The first of three releases from The Richter Project which is focused on Bergmann’s piano composition, The Richter Scale.

Available at Amazon, Apple Music, Spotify, Deezer, YouTube, etc.

Anakronos - Citadel of Song

Citadel of Song

Heresy Records announces a double album release of Citadel of Song by medieval/jazz/rock ensemble Anakronos.

The songs from Giovanni Boccaccio’s 14th century masterpiece, The Decameron are revivified through bold new interpretations as conceived by Caitríona O’Leary.


“With this revival of 14th century Italian love poetry, the Irish singer Caitríona O’Leary confirms her status as the world’s leading early music avant-gardist.” – AUDIO Magazine

Sonata Fantasy, The Book of Moments - Ji Liu

Sonata Fantasy
The Book of Moments

Heresy Records have released Ji Liu’s, Sonata Fantasy, The Book of Moments. The 18 hour and 9-minute-long piece was awarded the Longest Officially Released Instrumental by Guinness World Records.

Strange Wonder - The Wexford Carols Vol. II

Strange Wonders
The Wexford Carols, Vol. II

Strange Wonders, The Wexford Carols, Vol. II Brings Together Folk, Classical and Traditional Music Luminaries to Present Ireland’s Greatest Christmas Music.

Out now on Heresy Records

Produced by Ethan Johns and Dom Monks Featuring Singers Caitríona O’Leary, Seth Lakeman, John Smith, Clara Sanabras & Stile Antico with Instrumentalists Alison Balsom, Olov Johansson, Simone Colavecchi, Mel Mercier, Ethan Johns, Deirdre O’Leary & John Hearne.

“A supremely beautiful Christmas disc; warming and different.” – Classical Explorer

The Red Book of Ossory - Arakronos

The Red Book of Ossory – Anakronos

Inspired Irish poems from the 14th century manuscript, The Red Book of Ossory set to medieval music and performed by a stellar band of early music, jazz and contemporary classical virtuosi.


Heresy Records is an art music label specialising in Early Music, Traditional & World Music, Folk, Contemporary Classical, Electronic Music & innovative fusions of these styles. We work with many of the world’s leading specialists in these genres as well as some of the most gifted emerging instrumentalists, singers & composers.


Heresy Films is a new, independent art film development & production company. We make feature length films, short films & music videos that explore historical and contemporary subjects from highly imaginative, original perspectives.

Award laurels for Day Six movie

Day Six a new 13 minute film directed by Eric Fraad created for Anakronos’ critically acclaimed album Citadel of Song.

The video features singer Caitríona O’Leary and actors Megan O’Malley, David Michael Harrison and Maxim Trigub.

The song Amor, s’io posso uscir de’ tuoi artigli is from Day Six of Boccaccio’s Decameron.

The Island of Saints movie award laurels

The Island of Saints

The Island of Saints is a new ground-breaking feature length music film by director Eric Fraad inspired by the medieval/jazz fusion ensemble Anakronos’ highly-acclaimed album, The Red Book of Ossory and its backstory.

Love’s Fever – A short film by Eric Fraad.

Based on the song Deh Lassa La Mia Vita from the end of day 7 of Giovanni Boccaccio’s The Decameron.

Music by Lorenzo da Firenze. Featuring Caitríona O’Leary, Edited by Martin Mai, Art Direction by Gareth Jones, Filmed by Tara Slye, Recorded and Mixed by Caitríona O’Leary and Mastered by James Darkin.

Funded by an Arts Council Covid-19 Crisis Response Award.

StampHaikuSong a new digital single and short film composed and performed by Caitríona O’Leary.
Based on Gabriel Rosenstock’s Irish Haiku written as poetic responses to a selection of Irish postage stamps.
Art direction and graphic design by Gareth Jones.

The project was made possible by an Arts Council Covid-19 Crisis Response Award.