Contradiction with John 4:24
This verse suggests that worship should be in spirit and truth, not necessarily through singing or declaring salvation daily.
John 4:24: God [is] a Spirit: and they that worship him must worship [him] in spirit and in truth.
Contradiction with Matthew 6:7
This verse advises against repetitive prayers, while Psalms 96:2 encourages continually proclaiming God's salvation.
Matthew 6:7: But when ye pray, use not vain repetitions, as the heathen [do]: for they think that they shall be heard for their much speaking.
Contradiction with Matthew 6:5
This verse advises against praying publicly to display piety, while Psalms 96:2 encourages proclaiming God's salvation openly.
Matthew 6:5: And when thou prayest, thou shalt not be as the hypocrites [are]: for they love to pray standing in the synagogues and in the corners of the streets, that they may be seen of men. Verily I say unto you, They have their reward.