Baroque-era stringed instruments such as fretted, bowed viols were phased out. Basses were produced in fretted and fretless versions. The majority of acoustic basses are fretted, but a significant number are fretless instead. It was offered in 3-tone sunburst and black, in fretted and fretless versions . These triggered the notes fretted on the fretboard's strings. The lute is shaped like a half pear with a short fretted neck. This is in contrast with instruments like the guitar or banjo, which are fretted chromatically. The guitar is a fretted musical instrument that usually has six strings. Elaborate inlay is found most often on fretted instruments. Binding may be used along the sides of fingerboards of fretted instruments. Tap harmonic is a technique used with fretted string instruments (usually guitar). He worried about the big picture, fretted over allocations. Instead, they will have a single string which will be fretted by several different keys. The arch is finely fretted and flowered. He was a sickly child, and his mother fretted over him.