Tracklist

A	So Serious	2:41
B	Endless Lies	2:57

Credits

• Producer, Written-By – Jeff Lynne

Notes

same record as stock copy release, but the japanese promo sign is on both label above the CBS sign on the right

Other versions

Category	Artist	Title (Format)	Label	Category	Country	Year
A 7090	Electric Light Orchestra	So Serious ‎(7")	Epic	A 7090	UK	1986
EPCA 12.7090, A 12.7090	Electric Light Orchestra	So Serious ‎(12", Maxi)	Epic, Epic	EPCA 12.7090, A 12.7090	Europe	1986
ZS4 05892	Electric Light Orchestra	So Serious ‎(7", Promo)	CBS Associated Records	ZS4 05892	US	1986
07SP 951	E.L.O.*	So・シリアス = So Serious ‎(7", Single)	CBS/Sony	07SP 951	Japan	1986
ARI 2001	Electric Light Orchestra	So Serious ‎(7", S/Sided, Promo)	Epic	ARI 2001	Spain	1986

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