Here is a sweep picking exercise so short that by the time you say "Dream Theater has a 23-minute song," it is already over. Seven seconds. Blink twice and you have missed an entire arpeggio run, which, coincidentally, is also what my picking hand does when I try to play it slowly.
This little clip is inspired by John Petrucci's arpeggios in "Metropolis Part I," and it is exactly what it says on the tin: sweep picking. One flowing motion of the pick, one note per string, an arpeggio spelled out across the neck. It looks like a magic trick. It is actually just a very organised way of being lazy — and I mean that as the highest possible compliment.
How this sweep picking exercise actually works
The whole idea of sweep picking is that instead of picking every note separately, you let the pick "fall" through the strings in one continuous motion — down, down, down, down on the way up the neck, then up, up, up, up coming back. The catch, and it is a brutal one, is your fretting hand: each note has to be rolled off the instant the next one sounds, or you get a muddy, ringing mess that sounds like a chord instead of an arpeggio. So the real secret is not speed. The real secret is muting. Fret one note, lift it a hair before you fret the next, and let each finger tidy up after itself. Practise it painfully slowly, one note per string, until the motion is clean — then, and only then, let it fly.
A concrete takeaway: set a metronome absurdly slow, play the arpeggio, and listen for two things — no two notes overlapping, and no dead clicks between strings. If you can nail that at a crawl, speed is just a slider you push later. It also pairs beautifully with string skipping once your hands stop filing formal complaints.
Will you sound like Petrucci by Friday? No. Will you sound like a slightly caffeinated version of yourself who finally understands arpeggios? Absolutely. I put the Guitar Pro file and the slow-motion version up on Patreon, so you can watch me pretend this was effortless in glorious detail.