Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

لقطات الشاشة لـ Circle of Fifths, Opus 1

iPad

iPhone

About Circle of Fifths, Opus 1

A music theory tool for beginner musicians, Circle of Fifths, Opus 1 is a pocket reference for analyzing, transposing, and composing music. This app focuses on major and relative minor scales and chord progressions.

For a more advanced version of Circle of Fifths, check out our Circle of Fifths, Opus 2 edition. Opus 2 explores musical modes often used in jazz and a variety of other musical styles.

FEATURES
• Interactive circle: rotate it or tap on a key to see its scale and circle chord progression.
• Play scales and chords out loud by tapping on the staves.
• Tap on individual chords to explore chord patterns.
• Includes both chord name and roman numeral notation.
• Choose from treble, bass, or alto clef.

Circle of Fifths, Opus 1 was created by Lucius Kwok and Agnes Chan. Made in NYC.

تحديث لأحدث إصدار 2019.12.5

Last updated on 09/12/2019

الإصدارات القديمة

Moved the support FAQ to felttip.com/support/5ths-faq.html.

Version History

2019.12.5

09/12/2019

Moved the support FAQ to felttip.com/support/5ths-faq.html.

2.4.5

18/09/2019

Now supports Dark Mode.

2.4.4

14/03/2018

Updated the layout to accommodate iPhone X design and to improve design of split view modes on the iPad.

2.4.3

28/06/2017

• Updated the More Apps button.
• Bug fixes.

2.4.2

18/09/2016

Added a link to the Musician’s Bundle, which includes our tuner app Tuna Pitch and the advanced Circle of Fifths, Opus 2.

2.4.1

22/08/2016

Fixed a bug with the Help screen.

2.4

17/08/2016

• By popular request, we've added chord name notation. Tap on a button to easily switch between roman numerals and chord names.
• Updated Help info in the app.
• Chords are now arranged in the common circle progression and with inversions.
• Updated the design of the circle to make it easier to interpret.

2.3

28/09/2014

We added support for the 4.7" and 5.5" screens.

2.2

20/06/2014

We added alto clef for violists!
We also improved the visual design.

2.1

06/06/2014

• Removed the "Gift This App" button.
• Changed the font of the app.

2.0

10/12/2013

Updated for iOS 7.
Added a Help section.