Petronia Radio

[petronia]

• 14:10 transparency and trust: Pandora as "smart friend" #
• 14:11 the rickroll/hacking problem: Paris Hilton tagged as "brutal death metal" on last.fm #
• 14:12 the last.fm tag cloud for Hilary Rodham Clinton orz|||| #
• 14:13 somanyMP3s.com: shilling via recommender (the high-tech version of paying to get a single on the radio playlist) #
• 14:17 transparency/steerability: why this rec? (list common tags), delete or resize tags to change their relative importance to the rec #
• 14:17 music.tastekeeper.com #
• 14:19 reach (into the long tail): top 200 tracks account for 17% of track sales, 95% of indie tracks sold less than 100 dls (22% sales) #
• 14:21 1% of tracks account for 80% of sales; 13% of sales are from American Idol or Disney artists (2007) #
• 14:23 Oscar Celma (UPF) analysis of last.fm popularity: sure enough, a power distribution (also, audience bias) #
• 14:23 the top 8 artists represent 3.5% of total plays: Beatles, Radiohead, Chili Peppers, Death Cab...... Death Cab??? #
• 14:24 668 artists represent 50% of total plays #
• 14:26 recs starting from head (Beatles): 18.5% head (82 artists), 80.4% midrange (6569 artists), 1.1% long tail (239798) #
• 14:27 48.5% of top 20 in head, 51.5% in midrange, none in tail #
• 14:27 starting from mid-tail: 5% head, 71% midrange, 24% tail #
• 14:28 starting from far tail: 0% head, 18% midrange, 72% tail #
• 14:30 context: purpose (jogging vs romantic dinner), re-purpose (playlists and mixtapes), self-investment, shifting taste #
• 14:34 user types: savants (7%, Hype Machine), enthusiasts (21%, last.fm), casuals (32%, Pandora), indifferents (40%, iTunes Genius) #
• 14:36 random music discovery via shuffle play: 1) doesn't scale, 2) iPod whiplash, 3) music graveyard (64% of songs on iPod never played) #
• 14:39 Ishkur's Guide to Electronic Music (tinyurl.com/8ez53o: how to build it automatically? #
• 14:40 "the celestial jukebox": shades of Doctor Who ahaha #
• 15:26 was just told in class that blip.fm had gone bankrupt over the last week but can't find a thing about it online so hold that thought :/ #

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