Extracting plain text from desktop apps - for example, a Spotify playlist - spotify

Apologies if this is too high-level.
Looking to extract the Track/Artist information from a Spotify playlist into simple plain text. Simply to have a clipboard-friendly tracklist.
Working in the current OSX desktop Spotify app. Was looking for pointers on where to start, or if there’s a simple way of going about it.

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Is there a way to get audio from spotify

So I'm Working on a NodeJs project and am wondering if there is a way to get audio from Spotify Like you Input a song URL and It plays the track, I've looked all around and can only find stuff for the web browser, I don't know if they even have a way. If there is any info about this please let me know.
You'd have to make calls through the Spotify API.
You can read more about the API here: Spotify API Documentation
This is a node.js specific library that you may also want to check out:
thelinmichael's node.js Spotify API Library
The answer provisioned and marked as correct is wrong.
The only way you can extract audio is by using a Windows VM, connect via RDP. Run a script to play Spotify programatically and record the audio.
Since this is the only solution. It is not possible to query data from Spotify.

embedding audio into blogger

In Blogger I am trying to recreate the audio feature used in this web site http://www.talkenglish.com/lessondetails.aspx?ALID=2001 where you click on text and hear the audio (an mp3 file) instantly. When I embed identical code into a Blogger page and click it, it wants to play the mp3 file by kick starting Windows Media Player. I don't want a solution like SoundCloud that creates visible player controls. Can anyone suggest a solution. I am hoping to use it to create an online amateur speech therapy package to support some voluntary work I do in this area.
Thanks
That site is using a file called audioplayer.js. To be honest, I am not exactly sure if that's custom built or not. You can look at the source for that here. You have a bunch of options to get the functionality you're looking for. A couple are below.
You can use SoundManager2 which is a very robust JS Sound plugin.
You can also use HTML5's built in <audio> element. You can read more about that here

Custom Web Player for Spotify

As far as I know, it is not possible to develop a Web app (outside spotify.com) providing a custom Web player which plays Spotify songs, am I right?
The only option still seems to be the spotify play button, which is very limited though.
I have just seen, however, this example
1) http://static.echonest.com/enspex/web/ChillRadio/
this one
2) http://lab.possan.se/thirtify/
and this one
3) https://developer.spotify.com/web-api/code-examples/ (see "Play something" snippet)
that seems to use a custom player (2) and 3) are not working for me, though). Is there any non-documented feature?
Thanks
The Spotify Web API provides URLs to 30 second MP3 previews of tracks, which is what these examples are using. This is documented here (the preview_url property).
It is not possible to do full-length track streaming on the web with Spotify's APIs.

Can I drag a file out of a node-webkit app and drop it on the Desktop?

The client is trying to figure out whether they'd like to go with a node-webkit app with AngularJS, but their one sticking point is that they'd like to be able for their users to drag a file out of the app and onto the desktop or an email client (such as Outlook or Lotusnotes) like you can do with an applet (which I'm desperately trying to avoid).
As far as I can tell, this doesn't look possible, but I'm not well versed yet with the latest stuff you can do with HTML5 and Chrome specifically. Any guidance is greatly appreciated.
Edit: I've also never used node.js
http://www.html5rocks.com/en/tutorials/dnd/basics/#toc-dnd-files
http://www.thecssninja.com/javascript/gmail-dragout
The answer is yes. Here is some more text so that I can submit my answer.
#tjb1982 Using a demo like this one:
http://www.thecssninja.com/javascript/gmail-dragout worked for simple files, but when trying to drag a WAV file or MP3 file into a audio software( like logic, pro tools, ableton ) they won't recognise it as an audio file.

Playing Spotify music and audio simultaneously

I have developed an iOS App which plays music from the users music library simultaneously with audio files which are included in the app. I have hired a developer to make several changes in the app, one of which enables the user to use their "Spotify" playlists instead of their "Music" playlists, if they have a spotify account. He tells me it is impossible for this functionality to work with the Spotify API.
Can someone please help me as I really need this functionality to work??
Thankyou.
This isn't possible with the Web API, however, take a look at CocoaLibSpotify which is a Mac and iOS library that allows you to access a user's Spotify playlists and play tracks.

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