Cantus vs Rapper

Cantus - Voicing Lab is an interactive harmony and chord-voicing tool by Nathaniel School of Music for pianists, composers, producers, and music theory students. Explore how notes move inside chords, hear voicings in context, and study color, tension, and modal relationships from the keyboard. Cantus is designed as a focused practice lab: pick a sound, inspect the voice leading, and build intuition for how harmony feels under your hands. FEATURES * Interactive chord and voicing explorer * Piano keyboard visualization * Modal and scale-based harmony practice * Voice-leading movement and pinboard-style comparison * Tone.js audio playback * Self-hosted fonts and bundled web assets * Works without an account BY NATHANIEL SCHOOL OF MUSIC Built for practical harmony learning, composition practice, and deeper chord fluency.

Turn any idea into a real rap song — bars written, beat produced, artwork generated — in seconds, for free. No studio. No ghostwriter. No subscription. Rapper is the AI that sits in your corner and builds a complete track from whatever's on your mind. Type a concept, speak it out loud, and the song comes to life before you finish your sentence. The bars are built for the genre you pick — not copy-paste filler but real verses, hooks, and flows tuned to your vibe. Trap, drill, boom bap, melodic rap, lo-fi hip-hop, west coast — choose your lane and the AI locks in with the right energy, cadence, and wordplay for that sound. Every track drops with a produced beat that matches your style and tempo. Pull up the full-screen player and you get the whole experience — cover art, synced scrolling lyrics, and a scrubber to move through the song. It's not just a text output. It's a real track. Save everything to your personal library. Rename it, cache it offline, delete what doesn't hit. When you've got something fire, share it with a single public link — one tap and you're putting people on to your sound. No account required to start. No subscription. No paywall. Rapper is completely free because the come up shouldn't cost anything. Generate tracks in multiple languages and bring your sound to wherever you're building from. Stuck on what to make? Starter Ideas kick off a track instantly so you never freeze on a blank page. One tap and you've already got a direction. Your next song is one idea away. Drop it in.