價格：免費
檔案大小：223.1 MB
版本需求：需要 iOS 10.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Learn the notes of the Bass Fretboard. Great for beginners or those that never learned the notes.
First select a note.
There will be 4 cards shown on the scree, one for each string, with the note represented on the staff for that note.
Next select one of the cards, and it will show the location of the note on the fretboard.
支援平台：iPhone, iPad