Reference pitch and drone
A drone is a steady note you can tune to, or play scales over to hear whether you're in tune. A4 = 440 Hz is the usual concert pitch.
Useful for violin, viola, cello, wind and brass players and singers, and for tuning any instrument by ear.
Free, no sign-up, works on phones. Nothing you play is recorded.
Reference pitch and drone
A steady note to tune to, or to play scales over and hear whether you're in tune. A4 is 440 Hz, the usual concert pitch.
A4: 440.00 Hz
Keep the volume low, especially with headphones.
How to use it
- Pick a note and octave and press Play.
- Keep the volume low, especially with headphones.
- Change the note while it plays to move the drone.
Learn more: Notes, octaves and concert pitch
More free tools
- Free online guitar tunerTune your guitar with your phone or computer microphone. Standard tuning E A D G B E. Sound is checked on your device and never recorded or sent.
- Scale playerHear major, natural, harmonic and melodic minor, pentatonic and chromatic scales from any note, with correctly spelled note names. Free, in your browser.
- Online piano keyboardA playable one-octave piano keyboard in your browser, from octave 2 to 5, showing the name of each note you play. Free, no download.
Every tool is also in the Quick tools button in the corner of each page.
Keep the practice you do
With a free Music-Ready account, practice is tracked next to your teacher's assignments and counts towards streaks, badges and the weekly report for parents. Free during the beta.