Isopo naa sele nitori agbara elektrostatiki ifamora laarin awon agberu olodi, boya laarin awon elektronu ati nukleu, tabi gegebi ida ifamora ipomeji.. 
(March 21, 1902  – October 19, 1988) jẹ́ akọrin Blues ati atẹ́gì ara Amẹ́ríkà, tó gbajúmọ̀ fún ìtara kọrin àti bó ṣe n tẹ́ Gìtápọ̀pọ̀.Àwọn akọrin ará Amẹ́ríkà.. 