This = Such: i.e. not a "new cart" (2Sa_6:3), but the Kohathites. See Num_7:9; Num_4:2, Num_4:15. Deu_10:8; Deu_31:9, &c; and compare 2Sa_6:13. 1Ch_15:2.
generation = class or circle. Here, the Kohathites. Compare Psa_22:30.
O Jacob. Septuagint and Syriac read "O God of Jacob".
Jacob. See notes on Gen_32:28; Gen_43:6; Gen_45:26, Gen_45:28.
Selah. Connecting the first triad with the Ark of Jehovah: transferring our thoughts from the general claim to the particular making of the claim by this event. See note on Psa_24:10, and App-66.