======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '242'
                                          'artist'  'Indigo Girls'
                                     'text_people'  ''
                                         'release'  'Indigo Girls'
                                           'title'  'Closer to Fine'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  ("['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'alternative "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '130.988'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Indigo Girls'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Closer to Fine'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Indigo Girls'
'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:discogstags'                                  ['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'alternative rock']
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'female vocalists', 'folk', '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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.633813'

========================== row from database ==========================
                                              'id'  251403
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Indigo Girls/cifsc1a6.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  242
                                           'genre'  ifs-songwriter
                                        'filesize'  7756539
                                           'mtime'  1637330791
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos cifsc1a6 ifs songwriter
                                      'tag_artist'  Indigo Girls
                                     'tag_release'  Indigo Girls
                                       'tag_title'  Closer to Fine
                                             'bpm'  130.988
                                    'search_title'  'closer':1 'fine':3 'to':2
                                   'search_artist'  'girls':2 'indigo':1
                                  'search_release'  'girls':2 'indigo':1
                                     'search_rest'  '00singer':1 'cifsc1a6':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':8 'cifsc1a6':11 'closer':1A 'eos':10 'fine':3A 'girls':5B,7C 'ifs':12 'indigo':4B,6C 'songwriter':9 'to':2A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1637330791.2848637  (2021-11-19 15:06:31)
                             'size'  7756539