Black Friday, Cyber Monday, end of November, whatever … your inbox is likely overflowing with random sale prices. Here are a few of our favorite, in case you want to shop for yourself or others this weekend.

Fahmi Mursyid from Indonesia has been creating oceans of wondrously sculpted sounds on netlabels for the past years. Be sure to watch these magical constructions on nothing but Walkman tape loops with effects pedals and VCV Rack patches – immense sonic drones from minimal materials.

Real-time design and live visuals can provide transformative powers. But what if you’re not ready to commit both time and money right away? Here are two industrial-strength tools that get you started for free. Meet Smode and TouchDesigner.

Espills is a “solid light dynamic sculpture,” made of laser beams, laser scanners, and robotic mirrors. And it makes a real-life effect that would make Tron proud.

Novation’s Launchpad Pro is unique among controller hardware: not only does it operate in standalone mode, but it has an easy-to-modify, open source firmware. This mod lets you exploit that to transform it into a 32-step sequencer.

Violins: they’re often the first example people site when talking about traditional acoustic instruments. But using new pickup techniques and rapid prototyping, that could be about to change.

DIY guru Mitch Altman has been busy expanding ArduTouch, the $30 kit board he designed to teach synthesis and coding. And now you can turn it into a bunch of other synths – with some new videos to who you how that works.

From hyper-nerdy label Detroit Underground comes a new tool that both visualizes signals and acts as a modular visual instrument – a new way of looking at what you’re doing in modular sound, and an object for visual creation.

So you want to start recording, mixing, arranging, and your budget is … you don’t have one. Tracktion runs on every OS, and the latest update adds still more powerful features.

It’s definitely an underground subculture of audiovisual media, but lovers of graphics made with vintage displays, analog oscilloscopes, and lasers are getting their own fall festival to share performances and techniques.