Jupitermedia (NSDQ: JUPM), which mainly focuses on stock photos, continues to expand in the music space… the company has acquired the assets of eStockMusic, a royalty-free music site, for an undisclosed sum. This follows the December purchase of Flying Hands Music, which also has its own library of royalty-free tracks. In addition to the retail side of eStockMusic — it sells individual tracks for $1.00 — the site is also a a platform for composers to upload and sell their works. Jupiter’s main music properties are RoyaltyFreeMusic, StudioCutz.com and BlueFuse Music. Release.