Commentary for Psalms 98:1

מִזְמ֡וֹר שִׁ֤ירוּ לַֽיהוָ֨ה ׀ שִׁ֣יר חָ֭דָשׁ כִּֽי־נִפְלָא֣וֹת עָשָׂ֑ה הוֹשִֽׁיעָה־לּ֥וֹ יְ֝מִינ֗וֹ וּזְר֥וֹעַ קָדְשֽׁוֹ׃

A Psalm. O sing unto the LORD a new song; For He hath done marvellous things; His right hand, and His holy arm, hath wrought salvation for Him.

Rashi on Psalms