28 February 1638 Scottish Presbyterians signed the National Convent at Greyfriars, Edinburgh.
National Covenant, article rom Wikipedia     https://en.wikipedia.org/wiki/National_Covenant

SONGS OF THE SCOTTISH COVENANTERS      YouTube video lecture with song performances       https://www.youtube.com/watch?v=XAJrc7Zoi9w
ONE HOUR OF SCOTTISH COVENTER MUSICon YouTube       https://www.youtube.com/watch?v=sEL5hjAp9iM
Many other Covenanter songs on YouTube     https://www.youtube.com/results?search_query=covenanter+songs