iTunesApplication * iTunes = [[SBApplication alloc] initWithBundleIdentifier:@"com.apple.iTunes"];
int i = [iTunes currentTrack].id;
if (i==0)
    NSLog(@"no track!!!");
else
    NSLog(@"track id is: %d", i);
[iTunes release];

iTunesApplication * iTunes = [SBApplication applicationWithBundleIdentifier:@"com.apple.iTunes"];
int i = [iTunes currentTrack].id;
if (i==0)
    NSLog(@"no track!!!");
else
    NSLog(@"track id is: %d", i);