Hangul included tone marks for Middle Korean tones. Musical instruments use acoustic resonators that produce sound waves of specific tones. His supple singing complements a variety of rap tones and textures. It also features high tones and harmonies. Igbo is a tonal language with two distinctive tones, the high and low. This is especially true for those with darker skin tones. This area has to do with sensitivity to sounds, rhythms, tones, and music. Hendrix explores guitar phrases using different tones and effects between vocal sections. Xhosa is a tonal language with two inherent phonemic tones&colon; low and high. The trio evokes a musette with its melodies over sustained tonic (here, A) tones. Some R&B tones, some rhythmic tones. Ancient music is designated by the characterization of the basic audible tones and scales. Several mobile phones have Morse code ring tones and alert messages. Belew uses a wide variety of heavily synthesized and electronically altered guitar tones. Lex typically wears black, grey and "cool tones" (purples and blues).