Dictionary

hit the high notes en · VERB

(idiomatic) To produce or attain, at least for a period of time, an especially satisfactory degree of achievement or fulfilment.
- If all that extra money isn't being used to shore up vital day-to-day Facebook operations, that's probably good news—but whatever the case, the site hasn't hit the high notes quite yet. 2009 September 16, Bobbie Johnson, “How exactly is Facebook making money?”, in Guardian, UK, retrieved 16 Nov 2017:
- The flavors of the food hit the high notes: the rightly famous Canlis salad, the signature Peter Canlis sweet prawns floating on a sea of butter, and a succulent Kobe-style steak. 2008 April 24, Leslie Kelly, “Sound and bites pair well at these places”, in Seattle Post-Intelligencer, retrieved 16 Nov 2017:
- During his public life, Obama has hit the high notes of poetic romance — his 2008 campaign. 2014 September 25, David Brooks, “Routine, Creativity and President Obama’s U.N. Speech”, in New York Times, retrieved 16 Nov 2017:

Spelling	Features	Source
hitting the high notes	Tense=Pres, VerbForm=Part	lexicographic
hits the high notes	Number=Sing, Person=3, Tense=Pres	lexicographic
hit the high notes	Tense=Past, VerbForm=Part	lexicographic
hit the high notes	Tense=Past	lexicographic