======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '328'
                                          'artist'  'Tune-Yards'
                                     'text_people'  'Merrill Garbus'
                                         'release'  'Bird-Brains'
                                           'title'  'Fiya'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'folk', 'experimental', 'freak folk']"
                                     'discogstags'  "['electronic', 'rock', 'art rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '114.285'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000009F0 0000081A 00005780 00003EFE 0001D7D6 0003B40F 0000504E 0000504F '
 '0002E729 00034E87')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007B0 0000000000DD37C0 00000000 00C88EDC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+B1BFB60849625136215E8675E8178C02+13863623'
'TALB' (Album/Movie/Show title)                     'Bird-Brains'
'TBPM' (BPM (beats per minute))                     '114.285'
'TCOM' (Composer)                                   'Merrill Garbus'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 9.0.2.25'
'TIT2' (Title/songname/content description)         'Fiya'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tune-Yards'
'TRCK' (Track number/Position in set)               '10/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'art rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'folk', 'experimental', 'freak folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.329568'

========================== row from database ==========================
                                              'id'  1248351
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tune-Yards/Bird-Brains/10 fiya.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  328
                                           'genre'  ifs-songwriter
                                        'filesize'  13154356
                                           'mtime'  1636401429
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 fiya ifs songwriter
                                      'tag_artist'  Tune-Yards
                                     'tag_release'  Bird-Brains
                                       'tag_title'  Fiya
                                             'bpm'  114.285
                                    'search_title'  'fiya':1
                                   'search_artist'  'tune':1 'tuneyards':3 'yards':2
                                  'search_release'  'bird':1 'birdbrains':3 'brains':2
                                     'search_rest'  '00singer':1 'eos':3 'fiya':4 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':8 'bird':5C 'birdbrains':7C 'brains':6C 'eos':10 'fiya':1A,11 'ifs':12 'songwriter':9 'tune':2B 'tuneyards':4B 'yards':3B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'folk', 'experimental', 'freak folk']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'rock', 'art rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636401429.2144127  (2021-11-08 20:57:09)
                             'size'  13154356