Tutorial Experts Elektron Analog Four/Keys – Aufbaukurs (ESD); German-language video training course; advanced-level course for Elektron Analog Four and Analog Keys MKI/II focusing on expert features; in-depth coverage of Conditional Trigs, LFOs with frequency and amplitude modulation, oscillator sync, kits and polyrhythms; use as FX processor via neighbour tracks, audio input and filterbank; MIDI control, controller mode and Multimap configuration for performance setups; hands-on sound design with layered kicks, FM sequences and arpeggios; many practical tips for studio and live use; approx. 8 hours of runtime; high-resolution Full-HD videos; fullscreen mode, integrated lesson descriptions, bookmarks and search function; compatible with PC, Mac and tablets