Formidable Tuareg guitarist and songwriter Mdou Moctar has announced a spring tour with a stop at the Bier Hall inside Intuition Ale Works Downtown Jacksonville taproom in May. The Niger-bred Moctar is widely praised as a torchbearer for Saharan rock, melding ear-turning modern fret work on his electric guitar with traditional polyrhythms, field recordings and ruminations on love, religion, women’s …