Boss Katana settings
Mr. Crowley settings for Boss Katana
Ozzy Osbourne · adapted 5 times on ToneAdapt
To get the Ozzy Osbourne "Mr. Crowley" riff tone on a Boss Katana, set Gain 6.5, Bass 4, Mid 6.5, Treble 7, Fx 0, Bst 0. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Ibanez RGA42FM-BLF Blue Lagoon Burst · updated 2026-11-11
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Boss Katana knobs
- Gain
- 6.5
- Bass
- 4
- Mid
- 6.5
- Treble
- 7
- Fx
- 0
- Bst
- 0
- Power control
- 2
Playing tips
- Focus on tight palm muting for chugging riffs.
- Use a percussive picking attack to enhance note separation.
- Experiment with dynamics to accentuate the rhythm.
Solo settings
Adapted for a Gibson Les Paul · updated 2026-11-14
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Boss Katana knobs
- Gain
- 7.5
- Bass
- 6
- Mid
- 6
- Treble
- 7.5
- Reverb
- 0.5
- Fx
- 0
- Bst
- 5
- Power control
- 2
Built-in effects
- Chorus on
- Reverb on (Plate) · 0.5
Playing tips
- Use your amp's built-in chorus to add lush modulation to your leads.
- Set your delay to a moderate level for ambient repeats that enhance the solo.
- Engage the booster for added volume and saturation during the solo.
The original rig
What Ozzy Osbourne used on the recording, for reference. ToneAdapt translates this to the controls your Boss Katana actually has.
- Guitar
- 1974 Gibson Les Paul Custom
- Amp
- 1975-76 Marshall JMP 1959 Super Lead MKII 100-watt head into Marshall 1960A/B 4x12 cabinets with Altec 417-8H speakers
- Gain
- 6.5
- Bass
- 4
- Mid
- 5.5
- Treble
- 7
- Presence
- 5.5
- Reverb
- 0.5
Different guitar or pedals? Get Mr. Crowley adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Ozzy Osbourne's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What are the best Boss Katana settings for Mr. Crowley?
Set Gain 6.5, Bass 4, Mid 6.5, Treble 7, Fx 0, Bst 0.
Which pickup should I use for Mr. Crowley?
Bridge pickup, with the guitar's tone at 10 and volume at 10.
What gear did Ozzy Osbourne use on Mr. Crowley?
Guitar: 1974 Gibson Les Paul Custom. Amp: 1975-76 Marshall JMP 1959 Super Lead MKII 100-watt head into Marshall 1960A/B 4x12 cabinets with Altec 417-8H speakers.
Will these settings work with my guitar?
These settings were adapted for a Ibanez RGA42FM-BLF Blue Lagoon Burst. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Mr. Crowley on other amps
More Ozzy Osbourne on the Boss Katana
All Ozzy Osbourne tones →Popular songs on the Boss Katana
- Master of Puppets · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Walk · Pantera
- Hotel California · Eagles
- Enter Sandman · Metallica
- Holy Wars · Megadeth
- Back in Black · AC/DC
- Whole Lotta Love · Led Zeppelin
- Raining Blood · Slayer
- Welcome to the Jungle · Guns N' Roses
- Smells Like Teen Spirit · Nirvana
- Stairway to Heaven · Led Zeppelin
Settings are generated by ToneAdapt's tone adaptation for the gear named on this page and are a starting point — every amp, guitar and room is a little different.