In various sources, an interesting story regarding the famed Chasidic leader R. Levi Yitzchok of Berdichev is related, related to nusach hatefilloh, along the following lines.
Some years after the petira of the famed Rav Zvi Hirsch (Horowitz) of Czortkov, Reb Levi Yitzchok spent a Shabbos there and prayed in the Shul where R. Zvi Hirsch used to daven. The shul’s minhog was to daven nusach Ashkenaz, as R. Zvi Hirsch did. Reb Levi Yitzchok nevertheless led the prayers in nusach Sfard, as was his wont. All of a sudden, he fell deeply asleep, and dreamed that Rav Zvi Hirsch was standing over him, rebuking him in a vein of ‘How did you dare change the local accepted nusach after I worked so hard to make a path to heaven for the tefillos thus said’?
Upon this scathing rebuke, Reb Levi Yitzchok ceased leading the prayers in nusach Sfard.
The story can be seen in English in the book “Mamma Used to Say: Pearls of Wisdom from the World of Yiddish“, on page eighty seven (at times it can be seen online in the book preview via the attached link).
It can also be seen in Hebrew here (top of page twenty eight).
Reb Levi Yitzchok of Berdichev is one of the best known and loved Chasidic leaders of all time, a legendary and iconic figure. So this story is a מעשה רב, a story of a leader that is to be looked to for guidance by his followers. וממנו ילמדו אחרים וכן יעשו אי”ה, אכי”ר.
To our dear friends and supporters, א גוטען זומער!