Six Days's launch MVP is a frictionless video-and-audio capture and review solution for the piano practice room, aimed at premium adult amateur pianists — high-income, intermediate-to-advanced, capable of self-review. It addresses the perceptual bubble — the gap between what a musician thinks they are playing and what they are actually playing — which is the most vividly experienced pain point and the one which can be corrected most visibly.
The MVP delivers a subset of the video-capture-and-review module's eventual scope. Feature-level compromises made inside this module, to reach market quickly:
Feature
In (launch MVP)
Full product (later releases)
AI feedback
Yes — small subset of pattern detectors
Rich library of detectors
Multi-angle video capture
Yes
—
One-time auto-configure
Yes
—
Score awareness
No
—
Repertoire awareness
None
Piece recognition
Customization
None
Custom detectors
Sharing and collaboration
None
Enabled
AI-guided user experience (hand-holding)
None
Enabled
Sprint plan on a calendar
Sprints across the 12-month arc from August 2026 to August 2027. Each bar shows the calendar span of a sprint.
Pose tracking is engineering-tractable with off-the-shelf tools.
Beta pianists use the review interface unprompted over a week.
Demo is production-quality for pitch meetings and the crowdfunding launch video; manufacturing partner committed.
First units are in customer hands and being used with meaningful frequency.
Customer advocacy is visible — referrals, feature requests, or waiting-list signups for other instruments.
Cost estimates and funding shape
First-pass estimates sized against corpus reference points (contractor rates in the resource-requirements memo, prototype workstream in the deployed roadmap, study-model and smoke-test briefs, system-architecture bill of materials). Meant to size the shape, not commit to specific numbers.
Sprint
Software
Hardware
Customer
Fundraising
Legal
Advisor honoraria
Founder overhead
Contingency (25%)
Total
Proof of concept
~€2K
~€3K
~€5K
~€2K
~€15K
~€2K
~€42K
—
~€65K
Functional prototype
~€60K
~€80K
~€12K
~€10K
~€3K
~€35K
~€12K
~€45K
~€250K
Demo-ready prototype
~€10K
~€55K
~€5K
~€5K
~€3K
~€18K
~€6K
~€25K
~€125K
Manufacturing and launch
~€55K
~€380K
~€80K
~€8K
~€30K
~€32K
~€19K
~€145K
~€720K
Early customer success
~€30K
~€25K
~€120K
~€3K
~€3K
~€10K
~€16K
~€52K
~€260K
Total
~€1.4M
Notes on the estimates.
Contingency at 25% starts with Functional prototype, reflecting a novelty-heavy execution profile — first hardware product, first crowdfunding campaign, first Italian S.r.l. all at once. Advisor honoraria are cash retainers plus reimbursed engagement expenses across five strands (music teaching, PAM, multimodal AI, behavioural design, industrial design). Cash flow begins with the pre-seed round; Proof of concept advisor engagement is equity-and-barter. Founder overhead sizes to modest Italian cost-of-living (€2.5–3K/mo); absorbed personally in Proof of concept, investor-funded from Functional prototype onward. Manufacturing and launch hardware line assumes 600–1,000 units at ~€300 per unit BOM plus tooling and manufacturing partner engagement.
Funding hypotheses
Seed and pre-seed investors — €1–1.2M
Crowdfunding — €300–500K
Self-funding and early revenues to supplement
Note on timing. The durations shown are aggressive point targets, not promises. Slippage of 25–50% is normal for novelty-heavy work of this kind — a first hardware product, a first crowdfunding campaign, a first Italian S.r.l. and innovative-startup filing all being run in parallel for the first time. Under realistic slippage the arc lands closer to 15–18 months than 12; the plan reads best as an aspirational schedule for a founder whose priority is speed to market.