Prior to that, much of the band's work could be described as a mixture of progressive bluegrass and jazz blues.

Often the music of Strength in Numbers is referred to as "Newgrass" or progressive bluegrass.

The album is progressive bluegrass with jazz structures, but also adds elements from classical music as well.

Another major subgenre is progressive bluegrass.

Although a more recent phenomenon, progressive bluegrass has roots going back to one of the earliest bluegrass bands.

His styles include classical, bluegrass, and progressive bluegrass.

The Bluegrass Alliance is often considered as one of the bands that started to play progressive bluegrass.

This is an essential album for any fan, revealing both his genius and the glory days of early '70s progressive bluegrass.

However, not all these elements are always present in progressive bluegrass.

This song is their third track in a massive set of progressive bluegrass....