======================== unified (from filesystem) ========================
                                         'bitrate'  '192.335'
                                        'duration'  '248'
                                          'artist'  'Martha Wainwright'
                                     'text_people'  ''
                                         'release'  'Martha Wainwright [Bonus Track]'
                                           'title'  'The Maker'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'canadian', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '142.708'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'Martha Wainwright [Bonus Track]'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The Maker'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '248880'
'TPE1' (Lead performer(s)/Soloist(s))               'Martha Wainwright'
'TPE2' (Band/orchestra/accompaniment)               'Martha Wainwright'
'TPUB' (Publisher)                                  'Drowned in Sound'
'TRCK' (Track number/Position in set)               '11'
'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:lastfmtags'                                   ['indie', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.398008'

========================== row from database ==========================
                                              'id'  175307
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Martha Wainwright/Martha Wainwright/11 The Maker.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  248
                                           'genre'  ifs-songwriter
                                        'filesize'  5986356
                                           'mtime'  1623435669
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 11 ifs songwriter
                                      'tag_artist'  Martha Wainwright
                                     'tag_release'  Martha Wainwright [Bonus Track]
                                       'tag_title'  The Maker
                                             'bpm'  142.708
                                    'search_title'  'maker':2 'the':1
                                   'search_artist'  'martha':1 'wainwright':2
                                  'search_release'  'bonus':3,4 'martha':1 'track':5,6 'wainwright':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':11 'bonus':7C,8C 'eos':13 'ifs':14 'maker':2A 'martha':3B,5C 'songwriter':12 'the':1A 'track':9C,10C 'wainwright':4B,6C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           '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-2', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'canadian', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623435668.8181527  (2021-06-11 20:21:08)
                             'size'  5986356