This is Teenage Engineering’s EP-133 KOII, a portable composition powerhouse-shaped with the same loving care and attention as the company’s other electronic goods. In music parlance, the EP-133 KOII is a groovebox, an all-in-one device that combines synthesiser, sampler and sequencer, allowing musicians to create sounds from scratch and build them up into songs. It’s an evolution of the PO-33 KO! sampler, one of the first of the Swedish company’s Pocket Operator series. These cult classics of modern music production, first introduced in 2015, are smartphone-sized devices that boil electronic music-making down to its bare essentials, with units dedicated to sampling, beats, basslines, glitches, beeps and leads, among others. This all-new model builds on the functionality of its pocket-sized progenitor and ups the quality of the industrial design. The form…