Similar Material it-1 “Harp” Harp Aid to Bible Understanding Stringed Instrument Insight on the Scriptures, Volume 2 Stringed Instrument Aid to Bible Understanding Alamoth Insight on the Scriptures, Volume 1 Alamoth Aid to Bible Understanding Instrument Insight on the Scriptures, Volume 1 Sheminith Insight on the Scriptures, Volume 2 Zither Aid to Bible Understanding Life in Bible Times—Musicians and Their Instruments The Watchtower Announcing Jehovah’s Kingdom—2012 Zither Insight on the Scriptures, Volume 2