======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '180'
                                          'artist'  'Elliott Smith'
                                     'text_people'  'Elliott Smith'
                                         'release'  'Elliott Smith'
                                           'title'  'St. Ides Heaven'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk'
                                             'bpm'  '115.854'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Elliott Smith'
'TBPM' (BPM (beats per minute))                     '115.854'
'TCOM' (Composer)                                   'Elliott Smith'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'ifs-songwriter-indie-pop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'St. Ides Heaven'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '180000'
'TPE1' (Lead performer(s)/Soloist(s))               'Elliott Smith'
'TPE2' (Band/orchestra/accompaniment)               'Elliott Smith'
'TPUB' (Publisher)                                  'Domino'
'TRCK' (Track number/Position in set)               '9'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'favorites', '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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.743409'

========================== row from database ==========================
                                              'id'  1267464
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Elliott Smith/Elliott Smith/[09] elliott smith - st. ides heaven.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  180
                                           'genre'  ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk
                                        'filesize'  3607421
                                           'mtime'  1637330495
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [09] elliott smith st. ides heaven ifs songwriter indie;ifs songwriter indie pop;ifs songwriter folk
                                      'tag_artist'  Elliott Smith
                                     'tag_release'  Elliott Smith
                                       'tag_title'  St. Ides Heaven
                                             'bpm'  115.854
                                    'search_title'  'heaven':4 'ides':3 'st':1,2
                                   'search_artist'  'elliott':1 'smith':2
                                  'search_release'  'elliott':1 'smith':2
                                     'search_rest'  '00singer':1 '09':4,5 'elliott':6 'eos':3 'folk':22 'heaven':11 'ides':10 'ifs':12,14,16,19,21 'indie':13,15,17 'pop':18,20 'smith':7 'songwriter':2 'st':8,9
                                    'search_combo'  '00singer':9 '09':12,13 'elliott':5B,7C,14 'eos':11 'folk':30 'heaven':4A,19 'ides':3A,18 'ifs':20,22,24,27,29 'indie':21,23,25 'pop':26,28 'smith':6B,8C,15 'songwriter':10 'st':1A,2A,16,17
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330494.9165354  (2021-11-19 15:01:34)
                             'size'  3607421