$ scrapy startproject music4programming

New Scrapy project 'music4programming', using template directory '/home/cothan/anaconda2/lib/python2.7/site-packages/scrapy/templates/project', created in:
    /home/cothan/Work/2017/scrapy-project/music4programming

You can start your first spider with:
    cd music4programming
    scrapy genspider example example.com

$ /music4programming$ scrapy genspider music musicforprogramming.net -t crawl
Created spider 'music' using template 'crawl' in module:
  music4programming.spiders.music

# -*- coding: utf-8 -*-
import scrapy
from scrapy.linkextractors import LinkExtractor
from scrapy.spiders import CrawlSpider, Rule


class MusicSpider(CrawlSpider):
    name = 'music'
    allowed_domains = ['musicforprogramming.net']
    start_urls = ['http://musicforprogramming.net/']

    rules = (
        Rule(LinkExtractor(allow=r'Items/'), callback='parse_item', follow=True),
    )

    def parse_item(self, response):
        i = {}
        #i['domain_id'] = response.xpath('//input[@id="sid"]/@value').extract()
        #i['name'] = response.xpath('//div[@id="name"]').extract()
        #i['description'] = response.xpath('//div[@id="description"]').extract()
        return i

$ scrapy shell http://musicforprogramming.net/
[s] Available Scrapy objects:
[s]   scrapy     scrapy module (contains scrapy.Request, scrapy.Selector, etc)
[s]   crawler    <scrapy.crawler.Crawler object at 0x7eff828e2b50>
[s]   item       {}
[s]   request    <GET http://musicforprogramming.net/>
[s]   response   <200 http://musicforprogramming.net/>
[s]   settings   <scrapy.settings.Settings object at 0x7eff828e29d0>
[s]   spider     <MusicSpider 'music' at 0x7eff7c625490>
[s] Useful shortcuts:
[s]   fetch(url[, redirect=True]) Fetch URL and update local objects (by default, redirects are followed)
[s]   fetch(req)                  Fetch a scrapy.Request and update local objects
[s]   shelp()           Shell help (print this help)
[s]   view(response)    View response in a browser

# Because I have examined the view-source:http://musicforprogramming.net/, so I know where to extract, what we need.

# Extract title
In [29]: response.css('title::text')
Out[29]: [<Selector xpath=u'descendant-or-self::title/text()' data=u'musicForProgramming("47: Abe Mangger");'>]

In [30]: response.css('title::text').extract()
Out[30]: [u'musicForProgramming("47: Abe Mangger");']

In [31]: response.css('title::text').extract_first()
Out[31]: u'musicForProgramming("47: Abe Mangger");'

In [32]: response.css('title::text').extract_first()[len('musicForProgramming("'):-2]
Out[32]: u'47: Abe Mangger"'

In [33]: response.css('title::text').extract_first()[len('musicForProgramming("'):-3]
Out[33]: u'47: Abe Mangger'

# Extract link to the song

In [35]: src = response.xpath('//audio[@id="player"]/@src').extract_first()

In [36]: src
Out[36]: u'http://datashat.net/music_for_programming_47-abe_mangger.mp3'

In [37]: response.xpath('//audio[@id="player"]/@src').extract_first()
Out[37]: u'http://datashat.net/music_for_programming_47-abe_mangger.mp3'

# We have name and link, let's proceed to download

import scrapy


class Songs(scrapy.Item):
	"""docstring for Songs"""
	#def __init__(self, arg):
		#super(Songs, self).__init__()
	title = scrapy.Field()
	file_urls = scrapy.Field()
	files = scrapy.Field()

class MusicSpider(scrapy.Spider):
	name = "music"
	allowed_domains = ["musicforprogramming.net"]
	start_urls = ['http://musicforprogramming.net/']

	count = 0

	def parse(self, response):
		# The name alone contains u'musicForProgramming("47: Abe Mangger");'
		# So we strip out to get the name of the song only
		title = response.css('title::text').extract_first()[len('musicForProgramming("'):-3]
		src = response.xpath('//audio[@id="player"]/@src').extract_first()

		self.count += 1
		if self.count >= 46:
			return

		yield Songs(title=title, file_urls=[src])

		next_url = response.xpath('//div[@id="episodes"]/a/@href').extract()[self.count]

		if next_url is not None:
			yield scrapy.Request(response.urljoin('http://musicforprogramming.net/' + next_url))