CREATE TABLE table_50428 ("Track" FLOAT, "Song" TEXT, "Author" TEXT, "Worship Leader" TEXT, "Lead Supporting Vocal" TEXT, "Time" TEXT)

Who was the lead supporting vocalist on the song that was 4:54 long?
SELECT "Lead Supporting Vocal" FROM table_50428 WHERE "Time" = '4:54'
SELECT "Lead Supporting Vocal" FROM "table_50428" WHERE "Time" = '4:54'