Contradiction with 1 Chronicles 15:16
This verse describes singers and players of musical instruments appointed by David to raise sounds of joy, which aligns rather than contradicts with the procession described in Psalms 68:25.
1 Chronicles 15:16: And David spake to the chief of the Levites to appoint their brethren [to be] the singers with instruments of musick, psalteries and harps and cymbals, sounding, by lifting up the voice with joy.
Contradiction with Amos 6:5
This verse criticizes those who invent instruments of music, implying that such musical display is wrong, contrasting the celebratory music depicted in Psalms 68:25.
Amos 6:5: That chant to the sound of the viol, [and] invent to themselves instruments of musick, like David; [chant: or, quaver]
Contradiction with Ezekiel 26:13
This verse speaks of silencing songs and the sound of harps, contrasting the presence of music and musicians in Psalms 68:25.
Ezekiel 26:13: And I will cause the noise of thy songs to cease; and the sound of thy harps shall be no more heard.