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Welcome to the home of Sound Legacy label and music services. Our focus is to provide aesthetic values in music and sound while building mutually enriching connections with music buyers, production facilities, and artists. As you will find here, SLP is unique in what we offer to the listening world…

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WHAT PEOPLE ARE SAYING…
- “We really love your music…each track is beautiful…you are the kind or artist we enjoy working with and hope to promote.”
- “I found harmony and peace here. You’re doing rare music.”
Patu - Music Producer, Masovia, Poland
- “Thank you, thank you, for the gift of this music. I can’t stop listening to it. I’ve only found a few pieces of music that support me while writing, but listening to Haddorff Music seemed to focus me and energize me. He truly has a gift. I have rarely been as moved by music as I have been by Matthew’s work. I would love to hear more.”
Jude Smith - Author & Exec. Dir. Center for Authentic Living, NY, USA
- “Music is the bridge that brings us together. I love the journey you take the listener on. Like a river to the sea, your music builds and expands, while flowing with powerful undercurrents. Good music here.”
James Jarvis - Southern Landscapes Sound, SC, USA
- “I was doing yoga while listening, and actually got lost in the music…”
Jim Guerin - Professional Pianist, Golden Hill School of Music, CA, USA
- “…I just can’t seem to stop listening…”
- “…Thanks for being and having such amazing music!”
Joseph Brooks - Music Producer, NY, USA
- “It’s Heaven… Thank you!”
Samuilik T. - Film Production, Belarus
- “Great music…I absolutely love your art. Please never stop.”
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