Grammy Voting Member
10M+ music streams
70+ countries
50,000+ singers
Course Trailer
See how the method
sounds in action
sounds in action
You can sing the run slowly. But then the tempo changes.
The notes blur, you lose control, and you have no idea how to use the run in a song. Riffs and runs are almost always taught by imitation, listen, copy, repeat, so every new run feels like a brand new problem. It doesn't have to.
Riffs and runs
are not random notes
are not random notes
Why it works
Once you understand them, you stop memorizing every melody as a separate string of notes.
You hear what's inside a run, break it down, and train each part with purpose.
My method connects technique, musical structure, breathing, body and performance, because the goal isn't to finish an exercise, it's to hear the result in your singing.
They're built from recognizable structures
How it works
Watch me demonstrate the exercise. Understand its musical and technical purpose. Practice with my original tracks. Bring the skill into real songs and improvisation.
What's inside
Video lessons, original exercises I wrote myself, demonstrations, practice tracks, sheet music and supporting materials. Study on any device, at your own pace.
StudentS' results
Options
Choose your program
Riffs & Runs A to Z plus Super Vocal Agility
Special masterclass pricing, only for 72 hours after the class.
COMPLETE
HAVE A QUESTION?
Riffs & Runs from A to Z
FOUNDATION
Access: 3 months
Self-paced, no personal feedback
16 video lessons, tracks and materials
For you if you want the whole path, from base structures to advanced agility
For you if you're starting with riffs and runs, or you sing but never studied them as a system
Access: 3 months
Self-paced, no personal feedback
25 lessons total, tracks and materials
$ 300
work with your voice personally
ONE-ON-ONE WITH ME
My feedback and 5 sessions 1:1 in the first 2 months.
Access: 9 months
I take only a limited number of singers
For you if you want me to work with your voice personally
Both programs, all 25 lessons, customized vocal analysis, personal feedback on your practice, 5 private sessions with me
$ 3 000
$ 500
Hello,
I'm Cooper Phillip...
I'm Cooper Phillip...
Los Angeles-based celebrity vocal coach and vocal producer. Voting member and mentor of the Recording Academy (the Grammys), certified specialist in vocal osteopathy, laryngeal massage and voice rehabilitation.
Composer and artist with over 10 million streams.
Creator of her own singing method, BIOPHONICS, taught to 50,000 singers in more than 70 countries around the world.
Composer and artist with over 10 million streams.
Creator of her own singing method, BIOPHONICS, taught to 50,000 singers in more than 70 countries around the world.
I transform vocal abilities beyond imagination
Music
FREQUENTLY
ASKED QUESTIONS
No, it's open level, for anyone who wants to understand the structures.
No, I demonstrate everything through sound.
Yes, I work a lot with singers who perform in English as a second language.
Only in the One-on-One option. Foundation and Complete are self-paced.
Yes, you can pay in installments at checkout, Klarna, Afterpay and others depending on your country.
Foundation 3 months, Complete 3 months, One-on-One 9 months, with my feedback and 5 sessions in the first 2 months.
This content. is for educational and informational purposes only. Karina Kuper Rivkin and Biophonics make no guarantees regarding specific vocal results. Individual outcomes vary based on effort, experience, practice, and other factors. Any results shared are not typical and should not be taken as a promise of outcomes. This content is not medical advice, diagnosis, or treatment. Please consult a qualified professional before beginning if you have any health condition, injury, or concern.
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© 2026 Karina Kuper Rivkin / Biophonics. All rights reserved.
This site is not part of or affiliated with Facebook, Instagram, or Meta Platforms, Inc., and is not endorsed by Meta in any way. FACEBOOK and INSTAGRAM are trademarks of Meta Platforms, Inc.
© 2026 Karina Kuper Rivkin / Biophonics. All rights reserved.