======================== unified (from filesystem) ========================
                                         'bitrate'  '195.822'
                                        'duration'  '238'
                                          'artist'  'The Black Keys'
                                     'text_people'  ''
                                         'release'  'iTunes Session'
                                           'title'  'Too Afraid To Love You (iTunes Session)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'indie', 'blues', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '115.655'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'iTunes Session'
'TBPM' (BPM (beats per minute))                     '115.655'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TCOP' (Copyright message)                          '℗ 2010 Nonesuch Records, Inc.'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Too Afraid To Love You (iTunes Session)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Black Keys'
'TPE2' (Band/orchestra/accompaniment)               'The Black Keys'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/10'
'TSOP' (Performer sort order)                       'Black Keys'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:iTunMOVI'                                     ('<?xml version="1.0" encoding="UTF-8"?>\n'
 '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" '
 '"http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
 '<plist version="1.0">\n'
 '<dict>\n'
 '\t<key>asset-info</key>\n'
 '\t<dict>\n'
 '\t\t<key>file-size</key>\n'
 '\t\t<integer>8629629</integer>\n'
 '\t\t<key>flavor</key>\n'
 '\t\t<string>2:256</string>\n'
 '\t</dict>\n'
 '</dict>\n'
 '</plist>\n')
'TXXX:lastfmtags'                                   ['blues rock', 'indie', 'blues', 'indie rock', 'rock']
'TXXX:purchaseaccount'                              'dworthen@ryerson.ca'
'TXXX:purchasedate'                                 '2010-10-19 14:40:22'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.437975'

========================== row from database ==========================
                                              'id'  1363684
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Black Keys/The Black Keys - iTunes Session (2010) [AAC]/09 Too Afraid To Love You (iTunes Se.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  238
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5922611
                                           'mtime'  1637330340
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock (2010) [AAC] 09 ifs songwriter indie rock
                                      'tag_artist'  The Black Keys
                                     'tag_release'  iTunes Session
                                       'tag_title'  Too Afraid To Love You (iTunes Session)
                                             'bpm'  115.655
                                    'search_title'  'afraid':2 'i':10,11 'itunes':6,7 'love':4 'session':8,9 'to':3 'too':1 'tunes':12 'you':5
                                   'search_artist'  'black':2 'keys':3 'the':1
                                  'search_release'  'i':3 'itunes':1 'session':2 'tunes':4
                                     'search_rest'  '00poprockelectronic':1 '2010':4,5 'aac':6,7 'ifs':8 'indie':10 'indierock':3 'poprock':2 'rock':11 'songwriter':9
                                    'search_combo'  '00poprockelectronic':20 '2010':23,24 'aac':25,26 'afraid':2A 'black':14B 'i':10A,11A,18C 'ifs':27 'indie':29 'indierock':22 'itunes':6A,7A,16C 'keys':15B 'love':4A 'poprock':21 'rock':30 'session':8A,9A,17C 'songwriter':28 'the':13B 'to':3A 'too':1A 'tunes':12A,19C 'you':5A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'indie', 'blues', 'indie rock', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330339.6376507  (2021-11-19 14:58:59)
                             'size'  5922611