CHORD GLOBAL MUSICIAN PLATFORM FLASK + FLUTTER DISCOVER · COLLAB · JAM · EARN BLUEPRINT V1.0 20-WEEK MVP WEBRTC LIVE SESSIONS AFRICA-FIRST PAYMENTS CHORD GLOBAL MUSICIAN PLATFORM FLASK + FLUTTER DISCOVER · COLLAB · JAM · EARN BLUEPRINT V1.0 20-WEEK MVP WEBRTC LIVE SESSIONS AFRICA-FIRST PAYMENTS
Track 01 — Product Overview

CONNECT
EVERY
MUSICIAN

A complete product specification for Chord — the global platform where musicians discover collaborators, jam live, and build careers. Built on Flask & Flutter.

10+
Core Modules
20wk
MVP Roadmap
2x
Flask + Flutter
CHORD
Blueprint v1.0
Now Playing
Product Blueprint
Chord — Global Musician Platform
A1
Core Features
8 modules
Track 02 — Feature Set

EVERY
TOOL
MUSICIANS
NEED

Eight integrated modules covering every stage of a musician's journey — from first discovery to getting paid.

01
Rich Artist Profiles
Full musical identity — instruments, genres, audio samples, video reels, portfolio, verified badge, availability calendar
Identity
Portfolio
02
Smart Discovery
AI-powered search, map-based local discovery, natural-language matching, trending sections and genre filters
AI
Geo
03
Collaboration Rooms
Virtual async workspaces — stem upload with versioning, timestamped audio comments, role assignment, shared releases
Async
Stems
04
Live Jam Rooms
WebRTC sessions for up to 8 musicians — channel strips, live waveform visualizer, public audience, cloud recording
WebRTC
Live
05
Gig Marketplace
Post and apply for studio sessions, live gigs, tours, remote work — in-platform contracts, Stripe + Flutterwave escrow
Escrow
Contracts
06
Messaging & Community Feed
Direct messages with audio clip attachments, group chats, activity feed, hashtag discovery, push + email notifications
Real-time
Feed
07
Monetization Tools
Fan tip jar, artist subscription tiers, beat & sample marketplace, Chord Pro subscription ($9.99/mo)
Revenue
Subs
08
Audio Engine
Cloud audio with waveform player, metadata editor (BPM, key, ISRC), streaming analytics, embeddable player widget
Cloud
Analytics
A2
Technology Stack
Flask · Flutter
Track 03 — Architecture

FLASK
+
FLUTTER

Battle-tested Python backend with a native cross-platform mobile app. Africa-first payments. Fully containerized.

Backend — Python
Flask · PostgreSQL · Redis
FlaskREST API + Blueprints architecture
PostgreSQLPrimary relational database
Redis + CeleryCaching, sessions, async tasks
Flask-SocketIOReal-time chat + live sessions
JWT-ExtendedAuth with access + refresh tokens
ElasticsearchFull-text musician search
AWS S3 / R2Audio, video, image storage
Stripe + FlutterwaveGlobal + Africa-first payments
Docker + NginxProduction deployment stack
Mobile — Flutter
iOS · Android · Web
RiverpodState management
Dio + RetrofitType-safe HTTP API calls
socket_io_clientReal-time event handling
just_audioTrack streaming and playback
flutter_soundIn-app recording
flutter_webrtcLive jam rooms
FCMPush notifications
flutter_mapMusician location map
go_routerDeclarative navigation
B1
Design System
Colors · Type · Tags
Track 04 — Visual Language

DARK STAGE
AESTHETIC

The visual language of live performance — high contrast, electric accents, monospace precision, and the tactile feel of album artwork.

Color Palette
#00E5C8
Teal
#FF3B82
Pink
#FFE234
Yellow
#080808
Black
#1E1E1E
Surface
#F0F0F0
White
#606060
Gray
Status Tags
JazzAfrobeats LiveFeatured Hip-HopOn Tour AvailableTrending R&BSession ClassicalVerified
Typography
Bebas Neue
Display · Headlines
Archivo Bold 700
UI Labels · Buttons
Archivo Regular 400
Body · Descriptions
Courier Prime Mono
Tags · Metadata · Code
Headline Styles
Full Solid White
Teal Accent
Outline White
Outline Teal
B2
Screen Mockups
6 screens
Track 05 — UI Screens

KEY
APP
SCREENS

Screen-level mockups for each core module, laid out as a magazine spread.

ARTIST.PROFILE
Verified
Lagos, NG
2.4k
Followers
48
Tracks
19
Collabs
★4.9
Rating
Jazz Guitar Afrobeats Live Sessions Available
Latest Tracks
01 — Lagos Nights.wav
02 — Distant Shore.mp3
03 — Morning Jazz.flac
DISCOVER.MAP
4 musicians nearby
1.2km
3km
MESSAGES
Loved your jazz cover. Want to collab?
Absolutely! Check the room I created.
audio_clip.mp3
COLLAB.ROOM
3 Members · 3 Tracks
guitar_lead_v3.wav
bass_line_v1.wav
drums_v2.wav
LIVE.JAM
Guitar
Drums
Keys
REC LIVE
12 listeners
GIG.BOARD
Session Guitarist
Studio · Lagos · $200/day
Afrobeats
Remote Vocalist
Remote · Global · $150/track
R&B
Live Tour — Europe
Live · EU · Negotiable
Jazz
B3
Build Roadmap
20 weeks
Track 06 — MVP Plan

20-WEEK
ROADMAP

Five sequential phases from zero to production. Each phase delivers a shippable slice of the platform.

01
Weeks 1–4
Foundation
Scaffold both apps, auth system, and core profile data model.
Flask blueprintsPostgreSQLJWT authRiverpodProfile CRUDgo_router
02
Weeks 5–8
Discovery & Audio
Search, audio uploads, waveform player, and activity feed.
ElasticsearchS3 uploadffmpegjust_audioMap viewFollow
03
Weeks 9–12
Collab & Chat
Real-time messaging, collab rooms, and push notifications.
SocketIOCollab roomsStem versioningDM systemFCM push
04
Weeks 13–16
Gigs & Pay
Full gig lifecycle, escrow payments, and post-gig reviews.
Gig boardStripeFlutterwaveContractsReviews
05
Weeks 17–20
Live & Launch
WebRTC live jams, subscriptions, admin tools, and production hardening.
WebRTCRecordingStripe subsAdminSecurity audit