[Epic orchestral whale song] [full symphony orchestra] [swelling strings] [brass and woodwinds] [deep timpani rolls] [ethereal choir mixed with real recorded whale vocalizations] [explicit whale moans and clicks as lead melody] [slow majestic tempo 50 BPM] [crescendo from soft to massive] [heart-melting emotional build] [cinematic] [ocean depths atmosphere] [sub bass drone under orchestra] [female soaring vocals without words] [male low humming] [whale song layered as counterpoint] [huge reverb and cathedral space] [no drums except timpani hits] [whale sounds act as solo instrument]