======================== unified (from filesystem) ========================
                                         'bitrate'  '194.649'
                                        'duration'  '299'
                                          'artist'  'Cat Power'
                                     'text_people'  ''
                                         'release'  'What Would The Community Think'
                                           'title'  'In This Hole'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['indie', 'alternative', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock', 'lo-fi']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '105.587'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'What Would The Community Think'
'TBPM' (BPM (beats per minute))                     '105.587'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'In This Hole'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cat Power'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'lo-fi']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.823885'

========================== row from database ==========================
                                              'id'  1236095
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Cat Power/What Would The Community Think/01-In_This_Hole.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  299
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  7296576
                                           'mtime'  1620645114
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 In_This_Hole ifs songwriter eos
                                      'tag_artist'  Cat Power
                                     'tag_release'  What Would The Community Think
                                       'tag_title'  In This Hole
                                             'bpm'  105.587
                                    'search_title'  'hole':3 'in':1 'this':2
                                   'search_artist'  'cat':1 'power':2
                                  'search_release'  'community':4 'the':3 'think':5 'what':1 'would':2
                                     'search_rest'  '00singer':1 'eos':3 'hole':6 'ifs':7 'in':4 'songwriter':2 'this':5
                                    'search_combo'  '00singer':11 'cat':4B 'community':9C 'eos':13 'hole':3A,16 'ifs':17 'in':1A,14 'power':5B 'songwriter':12 'the':8C 'think':10C 'this':2A,15 'what':6C 'would':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1996
                                     'discogstags'  ['rock', 'folk rock', 'lo-fi']

============================== file details ==============================
                                           'mtime'  1620645113.978008  (2021-05-10 13:11:53)
                             'size'  7296576