He slept well, he ate well, and he played the flute without a sigh causing him to blow discordantly into the holes of the instrument.
"The Rough Road"
William John Locke
The duke laughed discordantly.
"A Poached Peerage"
William Magnay
Then, if you changed the tune, or whistled discordantly, he would hop away as if he had no further use for you.
"A Little Brother to the Bear and other Animal Stories"
William Long