ftp.nice.ch/pub/next/developer/objc/music/music-kit-class.s.tar.gz#/MusicKitClass/MidiEcho/MidiEcho_main.m

This is MidiEcho_main.m in view mode; [Download] [Up]

/*
 *     Generated by the NeXT Interface Builder.
 */

#import <stdlib.h>
#import "MyApp.h"

void main(int argc, char *argv[]) {
    NXApp = [MyApp new];
    [NXApp loadNibSection:"MidiEcho.nib" owner:NXApp];
    [NXApp run];
    [NXApp free];
    exit(0);
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.