CREATE TABLE table_202_173 (id DECIMAL, "track" DECIMAL, "title" TEXT, "translation" TEXT, "composer" TEXT, "recorded" TEXT)

when month were most of the songs recorded on this album ?
SELECT "recorded" FROM table_202_173 GROUP BY "recorded" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "recorded" FROM "table_202_173" GROUP BY "recorded" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1