request.getAsync("some.xml")

		.then( response =>
			//turn body into JSON
			xml2js.parseStringAsync( response.body )
			//assume it returns a nice array
		.then( result =>
			myMethod(result) )

		.then ( console.log("done") );

/* DIDN'T WORK:
function myMethod( param ){
   if ( param.length > 0 ){
      var oneThing = param.pop();
      //do an asynch operation like download... when done
      myMethod( param );
	  //maybe return myMethod(param);
   }else{
     return true;
	}
}
*/

//========= UPDATED (works)
function myMethod( list ){
	return Promise.all(list).each(function(item){
		return doOneItem(item);
	})
}

function doOneItem( item ){
	//returns a promise:
	return new Promise(function(resolve, reject){
		//async operation... ffmpeg().on('end') is when it's done

		//=============================================  project implementation
		let cmd = ffmpeg(item.remotesource)
		.on('start', function(cmdline) {
			console.log('downloadStill/FLV: ' + cmdline);
		})
		.on('end', function(progress) {
			resolve("DONE"); //<----------NOTICE THIS LINE THOUGH
		})
		.on('end', function(issue) {
			reject("FFMPEG " + issue);//<----------NOTICE THIS LINE THOUGH
		})
		.save(item.localsource)

	})
}