A new kind of journal
Journal your way.
Sound your soul.
Sinattra listens to what you write and composes original music — in the genre you love — that captures the exact spirit of the moment. Not just memories. A soundtrack of your life.
Try 2 tracks free — sign up, no card required.
Every person has a soundtrack hidden inside their memories.
Sinattra reveals it.
Write freely
Journal your way
No prompts. No rules. No pressure. Sinattra gives you a blank canvas — write about your day, your dreams, your grief, your triumph. The only constraint is that it's yours.
Like Frank did it his way, you do it yours. Every word becomes the raw material for something entirely new: a piece of music that captures exactly how you felt when you wrote it.
Begin Your First Entry →Now Playing
Thursday, May 29
Lo-fi Jazz · 2 min 43 sec
Your music library
Create a soundtrack
of your life
Every journal entry generates an original piece of music — in the genre you love most. Jazz for a reflective Sunday. Indie folk for a bittersweet goodbye. Lo-fi for a quiet Tuesday.
Over time, your library becomes more than a journal. It becomes a living score — the soundtrack of your one extraordinary life.
The experience
Pour your heart out.
Let music emerge.
Write whatever is on your mind — raw, unfiltered, honest. Sinattra listens without judgement. It reads the emotional undercurrent beneath your words and translates it into melody, rhythm, and feeling.
Music is one of the most powerful involuntary triggers for memory we know of — and it's something software can actually deliver, in a way a photo never quite can. A track tied to a single day becomes a time-capsule: years from now, even an imperfect recording can pull you straight back to that moment, the same way a blurry photo can still stop you in your tracks.
Grief becomes a minor-key ballad. Triumph becomes a brass crescendo. A quiet morning becomes something you'll want to play on repeat. Your feelings — finally heard.
Write Your First Entry — It's FreeOn the horizon
What's coming next
Relive a Day
Press play on any entry and watch it come back to life. Your words fade in, line by line. Photos from that day form a quiet montage. And the music you made plays underneath — all in sync, looping gently until you pause or open another day.
Tempus Fugit
Latin for “time flies.” One tap reveals the story of your last seven days — not a chart, not a score, but a few honest paragraphs that notice the threads running through what you wrote, heard, and saw. A gentle mirror, written with care.
Your words. Always yours.
Your privacy
is paramount
What you write is deeply personal. We designed Sinattra around a single, unbreakable principle: your journal entries are never stored beyond what's needed to generate your music, and they are never used to train any AI model. Ever.
Your words are parsed, your music is created, and your entry is handled with the care it deserves. Nothing more. Your diary is yours — not ours, not anyone else's.
Notes are processed solely to generate your music — for no other purpose.
Your entries are never used to train, fine-tune, or improve any AI model.
No third party ever reads your words. Your vault, your rules.
Zero Training Policy
We will never train on your data.
Not today. Not ever.
Begin today
And now, the end
is near — startyour way.
Sinattra is free to try. Sign up in seconds — no credit card required — and listen to two original tracks (1 minute each), inspired by entries like yours, on us.