Ibiza rocks plectrum ring ibiza rocks is a summer long festival of live music that runs annually in san antonio ibiza in the ibiza rocks hotel so whether you have your tickets booked or you just love great music this is the accessory for you it is evocative of youth summertime ibiza rocks ibiza rocks plectrum ring each piece comes complete with a black velvet branded pouch ring shank 26mm 13x15mm plectrums