Geddes Live Lessons: The Tongue Fix You've Been Missing

Two real students, two real songs. Watch how one small change in tongue position transforms tone, mix and confidence inside a single lesson.

Defining Mix: Dean Kaelin on What Mix Actually Is

The founder of IVTOM defines mix three ways - what it feels like, what the muscles do, what the acoustics do - then proves it on two live students.

Sambor: Tongue Postures, Muscles and Formant Tuning

Why telling a singer to open the pharynx often closes it, which tongue muscle is really working, and the red flags that mean your student cannot comply.

Befriend Your Imposter: Skidmore on Performance Mindset

Dr. Jon Skidmore reframes imposter syndrome as a protector rather than an enemy, with live exercises that train the deciding part of your brain.

Kelley Hijleh - IVTOM Session 

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Belt Demystified: John Henny on Vowel Tuning for Belt

What belt actually is, physically and acoustically - then John Henny tunes four live singers into it, one vowel at a time, on Beyonce, Journey and Whitney.

Inside IVTOM.org: Your Member Tools, Listing and Referrals

A guided tour of the IVTOM website — community wall, forums, messaging, teacher resources, and the Find a Mix Teacher listing that sends you referrals.

Stanfill on the Leggiero Tenor: Find It, Free It, Train It

Jeff Stanfill shows how to spot a leggiero tenor hiding inside a young baritone, then trains one live with the exercises that take weight out.

Train Your Ear: Live Scope Exams with Stock, Stock MD & Siciliano

Hear real patient audio, guess the diagnosis, then watch the laryngoscopy reveal the truth — with a vocologist, an ENT and a speech pathologist.

Bozeman: Acoustic Registers & Why Your Timbre Shifts

Professor emeritus Kenneth Bozeman explains open, closed and whoop timbre, spectral tone color and auditory roughness — then shows you how to use them in the studio.

Kaelin: Power Without Pressure — Mix for Aggressive Singing

Dean Kaelin shows how to give a singer a loud, aggressive, even extreme sound without the wear and tear — live, with two very different students.

Bozeman Masterclass: Vowel Migration on High Notes

Watch Kenneth Bozeman rebuild three singers' top notes in real time using tonguey vowels, affect and buzz-tracking — classical and musical theatre.

Sundberg: The Nose, Nasality and Voice Source Control

Should singers open the nasal port or not? Johan Sundberg settles it with five experiments, then unpacks breathy, flow and pressed phonation.