You say electronic music, but you didn’t really specify whether you have any background in music at all. Can you sing and/or play an instrument? Can you read sheet or have familiarity with music theory? Do you already make little simple melodies? If you’re starting completely from scratch, it’s going to be tougher. You can, of course, grab a horizontal tracker or a DAW like FL Studio and just start scattering notes d…
Building blocks by https://audiblegenius.com/ is excellent, as is DMP (see my other comment).
Nice! I'll have to check out building blocks, since Syntorial (which they also make) is fantastic for teaching you how to almost intuitively get a feel for manipulating ADSR, envelopes, oscillators, etc. to approximate a given sound.