Privacy

Information we collect

We store your email address so you can sign in and access your saved songs. We do not show your email address to other singers in a quartet.

• Your display name for profile and quartet screens.
• The songs you add, including song title, arrangement voicing, parts known, confidence, arranger if entered, notes if entered, date added or updated, and last-sung information when you mark a song as sung in the app.
• Quartet/session data, including join codes, active membership, and participant saved-song snapshots used to calculate matches.
• Event Mode data you choose to share, including event details, availability, event-scoped messages, message reports, and blocks.
• Feedback messages you send, including the contact email shown in the form if you leave it there or edit it.

How we use it

The app uses your information to sign you in, save your profile, manage your songs, let you join or leave quartets, refresh quartet snapshots, and show songs the group may be able to sing. Song title suggestions are generated from distinct song title, arrangement voicing, and arranger values that singers have entered before. Those suggestions do not include who entered the song, notes, parts, confidence, or other personal details.

Song suggestions

Suggestions help singers enter songs faster. They may use safe song identity fields such as title, arrangement voicing, and arranger from catalog imports or previously saved song identities. Suggestions are not authoritative, and adding a song to My Songs does not add it to anyone else's saved songs. Personal details such as notes, confidence, last-sung history, user identity, and email address are not exposed as suggestions.

Private copy links

If you choose Let another singer copy songs from My Songs, the app creates a private code/link. Anyone with an active code/link can view safe song identity fields: title, arrangement voicing, and arranger. They must sign in before copying songs, and copied songs become their own saved songs with their chosen part and confidence. The shared view does not expose notes, confidence, last-sung history, email address, or account details, and you can revoke the link.

Harmony Brigade songs

Adding Harmony Brigade songs uses reference data to help you add songs. It does not publicly indicate that you attended a Brigade event. Your selected year, brigade, song choices, parts, and confidence are not shown to other users by default, except through normal quartet matching if you join a quartet.

Last-sung data

Last-sung data is stored when you mark a song as sung from a quartet page or from My Songs. It is used for sorting, filtering, and personal guidance. It is not meant to be a public performance history, and Not marked yet does not make any claim about your real-life singing history.

What quartet members can see

When you join a quartet, other singers in that quartet may see your display name and saved-song information needed for matching, such as songs, arrangement voicing, parts, confidence, and possible arrangement details or warnings. This sharing is the core purpose of the app: helping the quartet answer what can we sing together right now.

Personal notes are stored for you and are not included in participant snapshots. Notes may appear to you in your own My Songs and match details.

Event Mode Beta

Event Mode is a beta feature. Its event, availability, messaging, and related coordination features may change as the feature improves, but these privacy principles still apply to the implemented behavior.

• Event Mode is event-scoped and temporary. Listed events can be found by signed-in users; unlisted events require a link or code.
• Availability is opt-in, visible for that event, and expires. Voice parts, availability notes, and meetup notes are shown to signed-in singers using that event.
• Meetup notes are text you enter. The app does not use GPS or exact location tracking for Event Mode.
• Event Mode does not expose your My Songs repertoire, song notes, confidence, last-sung history, or quartet membership.
• Event Mode messages are app-mediated and event-scoped. Your private email address and phone number are not shown to other singers by default.
• When configured, Event Mode sends an email notification for a new message that links you back to the app without including the message text or sender contact details.
• Message reports and blocks are private safety controls for the event.

Feedback messages

Feedback forms are sent through the app backend and email provider. Feedback emails can include your message, feedback type, contact email, user ID, display name, and the time submitted so we can understand and respond to the request.

Analytics

If analytics are enabled, we use PostHog to understand product usage and reliability. Analytics events may include routes, counts, categories, browser/device information, and coarse action details. We do not intentionally send feedback text, My Songs notes, song titles, arranger names, singer names, email addresses, quartet join codes, Event Mode message text, availability notes, meetup notes, event names, or event location text to analytics.

Services we use

What Can We Sing uses Supabase for authentication, database, and realtime features; Vercel for hosting and deployment; Resend for email delivery when configured; and PostHog for optional product analytics. These services may process technical information such as IP address, browser details, request logs, and delivery logs as part of operating the app.

What we do not do

We do not sell your data. We do not intentionally make your email address, private notes, or account information public. We share information with service providers only as needed to run, troubleshoot, and improve the app.

Deletion or help requests

If you need help with your account, feedback you submitted, or a data deletion request, use the feedback form on the help page and include a contact email so we can follow up.

Changes to this page

We may update this page as the app changes. The goal is to keep it accurate, readable, and aligned with how the app actually works.