Комментарий к Диврей ха-ямим А 13:13

the Gittite He was from Gath originally and he previously sojourned in Gath. He was a Levite, as it is written (below 15:16): “And David said to the officers of the Levites to station their brethren, the singers,” and it says shortly after (verse 24): “... and Obed-Edom and Jehiah were gate sentries for the Ark.”