What is Augmented-fourths tuning?

An augmented transition network or ATN is a type of graph theoretic structure used in the operational definition of formal languages, used especially in parsing relatively complex natural languages, and...

In statistics and econometrics, an augmented Dickey–Fuller test tests the null hypothesis that a unit root is present in a time series sample. The alternative hypothesis is different depending on...

Among alternative tunings for the guitar, an open G tuning is an open tuning that features the G-major chord; its open notes are selected from the notes of a G-major...

Among alternative guitar-tunings, regular tunings have equal musical intervals between the paired notes of their successive open strings. Guitar tunings assign pitches to the open strings of guitars. Tunings can be described by the...

Repetitive tunings are alternative tunings for the guitar. A repetitive tuning begins with a list of notes that is duplicated, either at unison or at higher octaves. Among regular tunings,...

Open B Tuning is an open tuning for guitar. The open string notes in this tuning are B-F♯-B-F♯-B-D♯. It uses the three notes that form the triad of a B...

Open C tuning is an open tuning for guitar. The open-string notes form a C major chord, which is the triad having the root note C, the major third ,...

Cross tuning or cross-tuning is an alternative tuning used for the open strings of a string instrument. The term refers to the practice of retuning the strings; it also refers...