Enriched Output: K: Emin T: 130 TS: 4/4 INST: CelloLead, CelloHarmony, CelloBass, Drums Mood: Dark, dramatic, powerful, epic Structure: Intro - Verse - Chorus - Verse - Chorus - Bridge/Solo - Chorus - Outro (or more generally, Verse-Chorus-Bridge) Summary: The name "Apocaliptica" strongly suggests the musical style of the Finnish band of the same name. This implies a symphonic metal or cello metal genre. The key is likely minor (Emin is a common and fitting choice) to convey a dark, powerful, and often melancholic atmosphere. A tempo around 130 BPM in 4/4 time signature would provide a driving, rock-influenced feel suitable for their energetic performances, while also allowing for more majestic, slower passages. The primary instrumentation would famously feature multiple cellos, often taking on roles analogous to electric guitars in a traditional metal band: one or more playing lead melodies and solos (CelloLead), others providing harmonic backing and rhythmic chugs (CelloHarmony), and often one or more dedicated to basslines (CelloBass), sometimes even employing percussive techniques. These would be underpinned by a standard rock drum kit (Drums) providing a powerful rhythmic foundation. The mood is consistently dark, dramatic, epic, and intense, often evoking feelings of grandeur, despair, or impending doom, true to their name. A common rock/metal structure like Verse-Chorus-Bridge, often extended with an instrumental intro, a distinct solo section (featuring a cello), and an outro, would be highly probable. The overall sound is a unique blend of classical instrumentation with heavy metal aesthetics, resulting in a powerful, emotionally charged, and often technically impressive musical experience.

Model: gemini-2.5-pro-preview-05-06