The cache is NOT at the published coordinates.
OLD - keeping for posterity
A = (300,000 fans on Facebook) - ('You and Me (In My Pocket)' reaches gold in Switzerland.)
B = US tv debut
C = First trip to Estonia / 2
D = First trip to Russia * 2
E = 2012 MTV EMA / 8
F = 'North and South' reaches platinum in Belgium / 3
NEW - use the following to apply to the formula below:
A = North and South - The Bigger Picture
B = Milow
C = Milow
D = Silver Linings - (Modern Heart - The Bigger Picture )
E = Milow - The Bigger Picture
F = Coming of Age - (Silver Linings - North and South)
The cache can be found at N 52° 04.ABC W 000° 12.DEF
You can check your answers for this puzzle on GeoChecker.com.
The Hatley Heart Attack was a loop of 400+ caches starting in Hatley and heading north east up to Toft before heading south, then south west all the way over to Biggleswade before heading back up to Hatley.
Check out the BookMark List for a complete list of the entire series plus link caches.