Fingerstyle acoustic blues instruction", "description": "Instruction for learning the blues guitar", "thumbnailUrl": "https://i.ytimg.com/vi/6D8-yPHqH9M/hqdefault.jpg", "uploadDate": "2012-06-04T00:00:00+01:00", "duration": "PT7M46S", "publisher": online finger picking acoustic blues guitar course", "logo": "@type": "ImageObject", "url": " https://cdn.pixabay.com/photo/2016/10/12/23/2... http://emilianoxzzxv.getblogs.net/18444999/not-known-details-about-blues-guitar-lesson