Windows 7: Where can i download music that wont slow down my comp

System Manufacturer/Model Number Toshiba A215
OS Windows 7 Home Premium 32bit
Memory 2Gb Ram
Graphics Card ATI Radeon X1200
Screen Resolution 12800 x 800

Keyboard US Keyboard
Hard Drives 160GB
Internet Speed Comcast High Speed Internet (running off router)

System Manufacturer/Model Number self built
OS 7600.20510 x86
CPU P4 550 3.4 GHz HT running at 3.5 GHz
Motherboard MSI PM8M3-V (MS-7211 v1.x) Micro-ATX mainboard
Memory OCZ 2 GB(2x1GB) DDR400mHz running @ 414 mHz
Graphics Card HIS Radeon HD 3850 IceQ 3 Turbo HDMI Dual DL-DVI AGP
Sound Card MOTU Traveler firewire studio interface 192 kHz 24 bit
Monitor(s) Displays 22" widescreen Acer X223W LCD, 17" Compaq P75 CRT
Screen Resolution 1680x1050 and 1280x1024

Keyboard Logitch Classical Keyboard 200
Mouse Logitech Mediaplay cordless
PSU 350W generic
Case Cybertronpc, it glows blue
Cooling stock cpu fan, Ice-Q 3 gpu and system, many case fans
Hard Drives SATA I x2 WD, 400 GB and 120 GB, SATA 2 WD Caviar Black 1 TB
Internet Speed 1792/448 kbits/sec
Other Info SATA II PCI fake RAID adapter, 1 GB Readyboost, original ATI Remote Wonder (even works with WMC perfectly), Logitech Rumblepad 2 game controller x2

System Manufacturer/Model Number DIY
OS W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
CPU Phenom II 1090T w/Noctua NH-D14 /**4400+ X2 w/CM Hyper TX 3
Motherboard ASRock 890FX Deluxe 4/**A8N-SLI
Memory 2 x 2GB Patriot PGS34g1600LLKA/**4x1GB Corsair VS
Graphics Card EVGA GTX460 SC/**EVGA 8800GTS
Sound Card Asus Xonar D2X/**Xonar D1
Monitor(s) Displays Acer X233H, Dell E152FPc /**LG M237-WD
Screen Resolution 1920x1080 & 1024x768/**1980x1080

Keyboard Logitech Media USB/**Saitek Eclipse
Mouse Cordless Trackman Wheel/**Ditto
PSU CM RS600 w/ APC BX1000G/**Antec 500 TP w/ APC BX1000
Case HAF922/**Antec 1040IIB
Cooling 3x200mm, 1x140 and 1x120mm/**5x80mm fans
Hard Drives WDC 2TB, 1.5TB, 1TB, 500GB,Seagate 500GB , Maxtor 80GB /**500GB Seagate & WDC 1TB Black
Internet Speed 3.3Mbps
Other Info SB 560 5.1 w/ Sennheiser RS140/**Creative T20 speakers, Dvico FusionHDTV7 Gold RT, Cisco E3000, HP 5510V AIO, Linksys E3000, Belkin F5U237 hub and **F5D8055 adapter (** = 2nd rig)

System Manufacturer/Model Number Custom built machine
OS W7 x64
CPU Intel Q9300 2.5Ghz Quad LGA775 (Would like Q9650)
Motherboard Gigabyte GA-EP45T-UD3R (F6 Bios)
Memory 4Gb OCZ Gold 1,333Mhz
Graphics Card Palit HD4850 O/C Sonic 512Mb DDR3, Dual DViD's
Sound Card Azalia to twin Samson 50w Studio Monitors
Monitor(s) Displays Twin Dell (E-IPS) U2311H 23.6" Screens
Screen Resolution 1920 x 1080 @ 60Hz

Keyboard Cherry PS/2 custom model
Mouse Lenovo USB laser "Thinkpad" Mouse
PSU OCZ 600w
Case Lian-Li PC8 acoustifoamed' aluminium tower
Cooling Scythe 140mm Zipang
Hard Drives Crucial M4 SSD, archives on twin Western Digital Caviar Black WD2002FAEX, 2TB, 7200rpm HDD's, Samsung Ritemaster CD/DVD Burner...
Internet Speed ADSL2+ @14Mbps downstream & Cat6 Gigabit Ethernet
Antivirus NOD32
Browser Opera
Other Info Silicon Dust HD Homerun Dual FTA (Ethernet) TV Tuners, Dray Tek Vigor 2850Vn router and 8x HP Gigabit Switch. Lian-Li CR26 Card Reader, Canon MF4430 iSensys laser printer/scanner.

Computer type Laptop
System Manufacturer/Model Number HP ENVY 17-1150eg
OS Windows 7 x64 Ultimate
CPU 1.6 GHz Intel Core i7-720QM Processor
Memory 6 GB
Graphics Card ATI Mobility Radeon HD 5850 Graphics
Sound Card Beats sound system with integrated subwoofer
Monitor(s) Displays 17" laptop display, 22" LCD and 32" Full HD TV through HDMI
Screen Resolution 1600*900, 1680*1050 and 1920*1080

Keyboard Logitech diNovo Media Desktop Laser (bluetooth)
Mouse Logitech MX1000 Laser (Bluetooth)
Hard Drives Internal: 2 x 500 GB SATA Hard Disk Drive 7200 rpm External: 2TB for backups, 3TB USB3 network drive for media
Internet Speed 50/10 Mbps VDSL
Antivirus MSE, Windows Defender
Browser Maxthon 3.5.2.
Other Info Windows 7 Ultimate Retail Full in English, additional Guest-user accounts in Finnish, German and Swedish (Working languages English & Swedish, Family language German, my own language, mother tongue, Finnish. I really need Ultimate to get to use Language Packs!)