Ozzy Osbourne - I Don't Know - Famous Riffs - Guitar Lesson

Practice Studio

Ozzy Osbourne - I Don't Know - Famous Riffs - Guitar Lesson

Sections · Loop · Speed · Metronome

Not in tune?

Select a Loop

Start of your loop
End of your loop

Speed Control

Speed
100%

Tools

BPM
Key E minor
PLAY WITH BACKING TRACK
·
–50¢ 0 +50¢
· Tap to start

Your browser will ask for microphone permission.

Amp Settings

Classic Rock

Gain6
Bass6
Mid7
Treble6
Presence5
Master7
AI tone preset

AI-selected preset based on genre and era — adjust the knobs to taste.

Roll back the gain slightly and pick near the neck for a warmer, more open crunch.

Capo Advisor 0 E minor · Original key

I Don't Know - Famous Riffs


"I Don't Know" is a track by Ozzy Osbourne, the English singer and songwriter widely recognized as a pioneer of heavy metal and former lead vocalist of Black Sabbath. The song is particularly valuable for electric guitarists looking to explore the classic riff-driven style that defines Osbourne's solo work. Its famous riffs offer a clear entry point into heavy metal guitar technique, combining power and melodic structure in a way that rewards both beginners and intermediate players.

  • Ozzy Osbourne co-founded Black Sabbath in 1968, making his riff-heavy style deeply rooted in foundational heavy metal history.
  • The song is noted for its iconic riffs, making it a practical study piece for players developing heavy metal rhythm guitar skills.
  • Osbourne earned the nickname 'Prince of Darkness,' and his solo material carries the same dark, riff-centered energy as his Black Sabbath era.
Gibson Les Paul Standard
Guitar

Gibson Les Paul Standard

Slash's Les Paul Standard on 'Ordinary Man' delivers Ozzy's signature thick, warm sustain through its mahogany body and set neck. The guitar's natural resonance cuts through a cranked Marshall while maintaining the heavy, blues-rooted tone that defines modern Ozzy records.

Gibson Les Paul Custom
Guitar

Gibson Les Paul Custom

Randy Rhoads and Zakk Wylde both relied on the Les Paul Custom's thick mahogany construction and PAF-style humbuckers for sustained, focused leads that pierce through Marshall saturation. The Custom's weight and warmth became sonic anchors for Ozzy's most iconic guitar tones across decades.

Marshall JCM800
Amp

Marshall JCM800

Zakk Wylde dimed the JCM800 2203 for maximum crunch and tight low-end response, making it the backbone of modern Ozzy heaviness. The amp's aggressive gain structure and natural breakup at volume deliver the roaring, sustained tone perfect for pinch harmonics and heavy riffing.

Marshall Plexi (1959 Super Lead)
Amp

Marshall Plexi (1959 Super Lead)

Randy Rhoads' modified 1959 Super Lead Plexi delivered natural tube saturation with a tight, focused midrange that allowed his fast runs and solos to cut through with clarity. The Plexi's simple, responsive design meant tone came directly from his fingers and Les Paul into the amp.

EMG 81
Pickup

EMG 81

Zakk Wylde's bridge position EMG 81 provides high output and compressed sustain essential for heavy riffing and pinch harmonics that define modern Ozzy songs. The active humbucker's tight low-end response couples perfectly with a dimed Marshall JCM800 for maximum aggression.

Dunlop Cry Baby Wah
Pedal

Dunlop Cry Baby Wah

Randy Rhoads and Zakk Wylde both used the Cry Baby wah to add expressive texture to leads without cluttering their core Marshall-driven tone. The wah's responsive sweep enhanced their solos while remaining secondary to the raw tube amp saturation that defines Ozzy's sound.

Play with Backing Track

Play with Backing Track

Solo (Backing Track)

Solo (Backing Track)