======================== unified (from filesystem) ========================
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                                        'duration'  '158'
                                          'artist'  'Regina Spektor'
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                                         'release'  'Valentines Day, 2004 Live At T'
                                           'title'  'My Man'
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                                      'lastfmtags'  "['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '146.000'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Valentines Day, 2004 Live At T'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TIT2' (Title/songname/content description)         'My Man'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Regina Spektor'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.257345'

========================== row from database ==========================
                                              'id'  1363273
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Regina Spektor/Regina Spektor - Valentines Day 2004 - Tonic, Nyc__cifse7b8.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  158
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  2545121
                                           'mtime'  1637330471
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos Tonic, Nyc__cifse7b8 ifs songwriter eos
                                      'tag_artist'  Regina Spektor
                                     'tag_release'  Valentines Day, 2004 Live At T
                                       'tag_title'  My Man
                                             'bpm'  146.0
                                    'search_title'  'man':2 'my':1
                                   'search_artist'  'regina':1 'spektor':2
                                  'search_release'  '2004':4 'at':6 'day':2,3 'live':5 't':7 'valentines':1
                                     'search_rest'  '00singer':1 '00songwriter':4 'cifse7b8':8 'eos':3 'ifs':9 'nyc':7 'songwriter':2 'tonic':5,6
                                    'search_combo'  '00singer':12 '00songwriter':15 '2004':8C 'at':10C 'cifse7b8':19 'day':6C,7C 'eos':14 'ifs':20 'live':9C 'man':2A 'my':1A 'nyc':18 'regina':3B 'songwriter':13 'spektor':4B 't':11C 'tonic':16,17 'valentines':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330470.5158505  (2021-11-19 15:01:10)
                             'size'  2545121