Choose the song
More than 480 are already analyzed. If yours is not there, send the chart — as a photo or typed.
PHD — Harmonic Possibilities Broken Down
You choose the song.
What to play is already solved.
Every chord with the scale, notes, triads and reasoning ready. No memorizing theory, no calculations, no guessing.
More than 480 songs already analyzed — and the library grows every week. For any instrument. PT · EN · ES.
Days of Wine and RosesHenry ManciniMedium SwingKey of F
What do you want in this song?
To sound beautifulThe scale is smooth, with few changes. Hard to mess up.
A little of bothMovement and tension, just like Thiago plays it.
Grab attentionMore color and more tension in each chord.
b. 1Fmaj7C major scale — 4th degreeC - D - E - F - G - A - B▶
b. 2Eb7#11Bb melodic minor scale — 4th degreeBb - C - Db - Eb - F - G - A▶
b. 3A-7G major scale — 2nd degreeG - A - B - C - D - E - F#▶
In one sentence
You open the song. What to play on each chord is already written.
No searching through three books, no calculations on paper, no trying and hoping.
Say what you want
Sound beautiful, a bit of both, or stand out. One tap. No setup, no levels.
Play
Each chord appears with the right scale, notes and a play button. Hear it before playing with anyone.
WHAT NO ONE ELSE DOES
Why this does not exist anywhere else
MATH
Finding which scales fit a chord is math. Anyone can do it with time and paper.
JUDGMENT
Knowing which one sounds best right there, in that song, is not math. It is the judgment of someone who has played a lifetime.
VERMUS delivers both together, chord by chord, already solved.
In a blind audit, Thiago reviewed 275 lines of analysis across 10 songs he had never seen. In 274 of them, the choice he would make was already on screen.
What you get
Two ways to read the same song.
Start simple. When you want to look inside, open the full analysis — and it plays.
Quick Mode
One scale, based on the song key. For anyone who needs to play with the band tonight without getting it wrong.
HIT — How I Think
Every rule of the method, chord by chord: the chosen scale, stacked triads, arpeggio, resting note and the rule that led there.
Listen before playing
The player stays above the chart: 1, 2, 4, 8 bars or the whole song, with loop — in all 12 keys, transposing everything together.
PHD — Harmonic Possibilities Broken Down
Every way out of a chord. In the order he uses them.
Each possibility is numbered by Thiago’s preference, with the notes, how often he uses it — and what he says about it. Tap ▶ and compare by ear.
Over the Cmaj7 chord
1C major scale — 4th degree
C · D · E · F · G · A · B
“This would be the perfect sound for the major chord. It is formed by five stacked triads: major, minor, major, minor, major. I call it the natural major chord because it stacks major and minor triads and has the most beautiful sound of the major scale.”
2F harmonic major scale — 1st degree
F · G · A · Bb · C · Db · E
“It has a beautiful sound, more melancholic at the end of the scale.”
3A harmonic minor scale — 6th degree
A · B · C · D · E · F · G#
“It sounds great over Maj7(#9), but I also use it over Maj7, bringing the tension of both thirds.”
Who chooses the best one
A computer finds the possibilities. He decides which one sounds best.
“Improvising is not guessing. It is deciding quickly, clearly — and knowing why you decided.”
Thiago Espirito Santo — bassist, guitarist, producer and educator, with a 32-year career. The “HIT — How I Think” method grew from how he decides, in real time, what to play over each chord.
274 out of 275
In a blind audit, Thiago reviewed 275 lines of analysis across 10 songs he had never seen. In 274 of them, the choice he would make was already on screen.
32-year career+15 albums360 Projeto Guri centers since 2011+8,000 students taught
On stage
Toured the world for eight years with Yamandu Costa. Brought Joshua Redman to Brazil and shared the stage with Hermeto Pascoal, Maria Bethânia, Toninho Horta, Dominguinhos, Hamilton de Holanda, George Benson, Mike Stern, Airto Moreira and Flora Purim.
In the studio
More than 15 albums and dozens of recordings with other artists, including an album recorded in the United States. Produced Oswaldinho do Acordeon’s “Forró Chorado,” nominated for a 2012 Latin Grammy.
In the classroom
Created the bass method used since 2011 across 360 Projeto Guri centers. Founded Música Sem Mistérios and Bass Evolution, which have taught more than 8,000 students.
One of Brazil’s greatest bassists.
One of the best jazz musicians that you will ever hear.
Best Author · Music Professionals Award 2019Jazz Station Award · Top Instrumental Jazz AlbumsTop 3 Electric Bass Players of the yearProduction nominated for a 2012 Latin Grammy
Recorded and performed with Hermeto Pascoal · George Benson · Maria Bethânia · Yamandu Costa · Toninho Horta · Dominguinhos · Hamilton de Holanda · Joshua Redman · Grégoire Maret · Airto Moreira · Flora Purim · André Mehmari · Kiko Loureiro · Robertinho Silva · Arismar do Espirito Santo — among many others.
Plans
The same access in all three. Only the way you pay changes.
No plan has extra features. The longer the commitment, the lower the price.
Monthly
BRL 59.90 /month
BRL 718.80 per year
No annual commitment
Subscribe monthlyFounder limited availability
BRL 349.90 /year by Pix
BRL 29.16 per month
51% below monthly, by Pix
And this price never increases: locked forever, as stated in the Terms.
Pay by PixPay by Pix or subscribe by card — BRL 495 per year, renews automatically, cancel anytime
Subscribe by card
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Included in every plan:Quick Mode and HIT — How I ThinkPHD — Harmonic Possibilities Broken Down for every chordplayer in all 12 keysfull librarycharts from a photo or filePT · EN · EScancel anytime
Card payments through Mercado Pago renew automatically — cancel anytime.With Pix, contact us on WhatsApp, pay, and access is granted within 2 business hours. Pix is a single payment for 12 months, with no automatic renewal: we will notify you before expiry.
Before subscribing
Direct answers.
Do I need advanced theory?
No. Each song opens with one decision and nothing else: what to play on every chord. Full analysis only appears when you ask for it.
Does it work if I do not play bass?
Yes. The method is harmonic and works for any instrument that improvises over chord charts.
Why do you not use modal names?
Because the method thinks in harmonic fields and degrees, not isolated modes. Saying “4th degree of the C Major Field” shows where the scale comes from. A modal name hides that.
Does the library stop growing?
No. Thiago analyzes new songs every week, and everyone gets them at no extra cost.
Is the locked price really permanent?
Yes. It is stated in the Terms of Use as a company obligation while the subscription remains active and uninterrupted.