Hi Link,
Thanks for the fast reply. Hopefully I followed your Console directions correctly -- after I clicked on "Clear Display" on the toolbar, I selected the most recent iTunes report from "System Diagnostic Reports" titled "iTunes_2015-08-24-153508_Titanville.spin", copied below. (If this isn't the correct log, please let me know what I've done wrong and I'll try and find the correct one for you to take a look at). And of course, thank you for helping!
Date/Time: 2015-08-24 15:35:02 -0700
OS Version: 10.10.5 (Build 14F27)
Architecture: x86_64
Report Version: 21
Command: iTunes
Path: /Applications/iTunes.app/Contents/MacOS/iTunes
Version: 12.2.2 (12.2.2.25)
Build Version: 2
Project Name: iTunes
Source Version: 1200012002002025
PID: 1041
Event: timeout-lite
Duration: 2.80s (process was unresponsive for 6 seconds before sampling)
Steps: 29 (100ms sampling interval, 72 samples avoided due to audio)
Hardware model: MacPro5,1
Active cpus: 24
Fan speed: 801 rpm
Heaviest stack for the main thread of the target process:
29 ??? (iTunes + 9140) [0x109da83b4]
29 ??? (iTunes + 8820998) [0x10a60f906]
29 -[NSApplication run] + 594 (AppKit + 551667) [0x7fff88ee7af3]
29 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346 (AppKit + 593496) [0x7fff88ef1e58]
29 _DPSNextEvent + 978 (AppKit + 596139) [0x7fff88ef28ab]
29 _BlockUntilNextEventMatchingListInModeWithFilter + 71 (HIToolbox + 205099) [0x7fff857a612b]
29 ReceiveNextEventCommon + 431 (HIToolbox + 205546) [0x7fff857a62ea]
29 RunCurrentEventLoopInMode + 235 (HIToolbox + 206191) [0x7fff857a656f]
29 CFRunLoopRunSpecific + 296 (CoreFoundation + 465880) [0x7fff91cb6bd8]
29 __CFRunLoopRun + 927 (CoreFoundation + 467391) [0x7fff91cb71bf]
29 __CFRunLoopDoSources0 + 269 (CoreFoundation + 469901) [0x7fff91cb7b8d]
29 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 (CoreFoundation + 526849) [0x7fff91cc5a01]
29 ??? (iTunes + 9554288) [0x10a6c2970]
29 ??? (iTunes + 9554090) [0x10a6c28aa]
29 ??? (iTunes + 9551074) [0x10a6c1ce2]
28 ??? (iTunes + 8671243) [0x10a5eb00b]
28 ??? (iTunes + 8671318) [0x10a5eb056]
28 ??? (iTunes + 3229430) [0x10a0ba6f6]
27 ??? (iTunes + 13736248) [0x10aabf938]
27 ??? (iTunes + 13735525) [0x10aabf665]
27 ??? (iTunes + 12020049) [0x10a91c951]
27 ??? (iTunes + 12021800) [0x10a91d028]
27 ??? (iTunes + 13729643) [0x10aabdf6b]
27 ??? (iTunes + 13702469) [0x10aab7545]
27 ??? (iTunes + 13703925) [0x10aab7af5]
26 ??? (iTunes + 13704999) [0x10aab7f27]
26 ??? (iTunes + 13692175) [0x10aab4d0f]
26 ??? (iTunes + 13689052) [0x10aab40dc]
26 ??? (iTunes + 8270067) [0x10a5890f3]
23 ??? (iTunes + 8272901) [0x10a589c05]
22 CFStringCompareWithOptionsAndLocale + 9244 (CoreFoundation + 147100) [0x7fff91c68e9c]
21 _CFCompareStringsWithLocale + 1852 (CoreFoundation + 551644) [0x7fff91ccbadc]
11 __CompareTextDefault + 1352 (CoreFoundation + 557304) [0x7fff91ccd0f8]
11 icu::RuleBasedCollator::setAttribute(UColAttribute, UColAttributeValue, UErrorCode&) + 384 (libicucore.A.dylib + 1364988) [0x7fff8c2193fc]
6 icu::CollationFastLatin::getOptions(icu::CollationData const*, icu::CollationSettings const&, unsigned short*, int) + 305 (libicucore.A.dylib + 912399) [0x7fff8c1aac0f] (running)
Binary Images:
0x109da6000 - 0x10b783fff com.apple.iTunes 12.2.2 (12.2.2.25) <C306B94D-1D04-3EBB-8776-8C1158789C1B> /Applications/iTunes.app/Contents/MacOS/iTunes
0x7fff85774000 - 0x7fff85a79fff com.apple.HIToolbox 2.1.1 (758.7) <E3129A67-BDF9-333D-9C9C-A95C8F0EF71C> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox
0x7fff88e61000 - 0x7fff899e2fff com.apple.AppKit 6.9 (1348.17) <E485D56D-3E72-34B7-99BB-BFDEE2D07BF5> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x7fff8c0cc000 - 0x7fff8c2b1fff libicucore.A.dylib (531.48) <3CD34752-B1F9-31D2-865D-B5B0F0BE3111> /usr/lib/libicucore.A.dylib
0x7fff91c45000 - 0x7fff91fddfff com.apple.CoreFoundation 6.9 (1153.18) <5C0892B8-9691-341F-9279-CA3A74D59AA0> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation