How many Arrays are in the sample data below...
Code:
ID	GROUP		ALBUM			SONG
1	Led Zeppelin	Led Zeppelin III	Friends
						Gallows Pole
						That's the Way

1	Led Zeppelin	Houses of the Holy	Over the Hills and Far Away
						D'yer Mak'er
						The Ocean

2	Cream		Disraeli Gears		Strange Brew
						SWLABR

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