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What do we learn from "Hayisi Melech Al Yisrael bi'Yrushalayim"?
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Rashi citing Sanhedrin 20b: At first (before he married Nochriyos), Shlomo was king (even) over higher beings (angels and Ruchos) - "va'Yeshev Shlomo Al Kisei Hashem." Later, he was king (only) over people "Hu Rodeh Al Kol Ever ha'Nahar mi'Tifsach v'Ad Azah". Later (because he did not repent), he was king only over Yisrael - "Hayisi Melech Al Yisrael." Later, he was king only over Yerushalayim - "Divrei Koheles
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Magihah (in Toras Chayim): He holds that Ezrachi ("Eisan ha'Ezrachi", "Heiman ha'Ezrachi" - Melachim I, 5:11, Tehilim 89:1) is from Zerach ben Yehudah; the Aleph is extra.
