These are two of the tags that are used at the end of ABC News broadcasts. On air the music is accompanied by a voice-over saying: “More Americans choose ABC News to see the whole picture.” ABC went for a big and bold sound with a touch of cool, a formula that put GMA in the #1 spot.
DreamArtists Music – ABC News tag 1
In version 2 you might note that the end crescendo sounds like a TV turning off which is done by using reverse effects. It symbolizes that ABC News is the complete news source — period.