Aubrey's songs were rough recordings, not meant to be final products. But Sacco is grateful to have them and says they "give you a flavor of where she's coming from."

Sacco believes one of her songs, "My Heart Knows," was an "accept-me-for-who-I-am" sort of song, addressed primarily to a romantic interest but possibly to whoever listens.

"Please let me be me / person you're afraid to be / but don't worry, I know where to go / I know, because my heart knows," Aubrey sings.

Sacco, who didn't particularly want Aubrey traveling alone, said the song offers a good glimpse at his strong-willed daughter.

"She does what she feels is right. She's absolutely fearless -- that's the way she's lived," he said.

He has sold several hundred copies so far, and that's a few hundred dollars more for the family's investigation fund. He's grateful to have had the chance to explain what he's feeling though music.

Sacco didn't want the album to end; he hoped the disappearance would be solved by the time it was done. Since it was finished, he hasn't been able to write much. The two relatively new half-songs he's written still are about Aubrey, but he says he doesn't have the energy to finish them.

"The biggest thing was to bury myself in my work at the law office (after the album)," he said. "That seems to be a good place to hide."