...сначала барабаны...ритм...а от него уже плясать
(если не Шопен))
Все по разному.... 
Ага...часто с лупера всё и начинаецо.. Врубил драмсы и..потекло бухло...пошла мазута!

Только успевай качать и фиксить "якорные точки"...
А потом летишь такой (сшибая мебель и роняя слюни от вожделения) с сырой заготовкой в
SUNO и пакуешь свой шедевр в красивую, модныю одёжку! Всего делов...
... и добавил:Берёшь такой гитару...левым мизинцем правой ноги нахиливаешь пару треков какой ни то мутаты и потом "спариваешь" оба трека в
SUNO ..чуфырь-муфырь.. не сробей богатырь!

Абракадабра..бумс.. двое с боку - ваших нет! Хоба-на..лови ответ!

Из двух недоразумений, получаешь парочку неплохих "минусов" ...на которые можно тут-же накинуть текст и превратить всё в злую шутку)) Или как
пирожок развлечь своих, домашних питомцев... особенно кота!

Промт примерно такой прописываешь в "Лирику"
[Instrumental]
[Intro]
[syncopated sawtooth synth lead enters]
[electronic drum kit enters with steady kick]
[overdriven electric guitar riff + distorted chorus guitar]
[steady kick, bass builds]
[steady kick, bass builds]
[USSR State Television and Radio Broadcasting Company Orchestra, Orchestra under Vladimir Kosma, Orchestra under Paul Mauriat, Orchestra under James Last, London Philarmonic Orchestra, harps, clarinet, piano, cello, violin backing, organic atmospheric nocturne, relax, French horns, basses, violas, cellos, double basses, flutes, oboes, clarinets, bassoons, trumpets, trombones, tubas, timpani, cymbals, bass and snare drums, triangle, xylophone, glockenspiel and other instruments, Epic orchestration, classical cello, tender acoustic guitar, emotional trap, torch room]
[Drop – Bridge Blend]
[drums drop out, palm-muted guitar, synth pad swells]
[Section A]
[palm-muted electric guitar eighth notes]
[synth bass enters, locking with kick]
[Chorus – Big Mash]
[full band, tambourine, lead guitar]
[Section B]
[bright synth melody flourishes]
[snare hits on beats 2 and 4]
[filtered synth sweep transition]
[Final Hook / Outro]
[open power chords, extended solo, rhythmic hits]
[layered synth pads swell in background]
[overdriven electric guitar riff + distorted chorus guitar]
[steady kick, bass builds]
[Outro]
[overdriven electric guitar riff + distorted chorus guitar]
[steady kick, bass builds]
[drums drop out]
[fading synth pad and guitar motif]
[guitar feedback swell, final drum hit],
[guitar feedback swell, final drum hit]
А в "Стили" такое чо ни то...
Jazz fusion with a heavy emphasis on improvisation and syncopated rhythms. The arrangement features a clean electric guitar, fretless electric bass, acoustic piano, and a drum kit with prominent ride cymbal and ghost-note snare work. The guitar utilizes a warm, slightly overdriven tone for lead lines and a clean, chorused sound for chordal accompaniment. The bass performs melodic fills and walking lines with a characteristic mid-range growl. The piano provides harmonic clusters and rhythmic stabs. The drums mainИ аля-улю.. суши вёсла.. Пока ещё одна идея не клюнет..

Кому тиресна..варики с текстом - тут:
https://guitarplayer.ru/guitar-offtopic-flame-others/re-klub-dzhemov-nachinayuschih-gitaristov-i-ne-tolko/msg12604543/#msg12604543