======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '342'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'To Venus and Back'
                                           'title'  'Bells for Her [live]'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '138.417'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'To Venus and Back'
'TBPM' (BPM (beats per minute))                     '138.417'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Bells for Her [live]'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.590912'

========================== row from database ==========================
                                              'id'  858721
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tori Amos/To Venus And Back/15-Bells for Her [live]..mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  342
                                           'genre'  ifs-songwriter
                                        'filesize'  5495089
                                           'mtime'  1636401434
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos And 15 [live]. ifs songwriter
                                      'tag_artist'  Tori Amos
                                     'tag_release'  To Venus and Back
                                       'tag_title'  Bells for Her [live]
                                             'bpm'  138.417
                                    'search_title'  'bells':1 'for':2 'her':3 'live':4,5
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'and':3 'back':4 'to':1 'venus':2
                                     'search_rest'  '00singer':1 'and':4 'eos':3 'ifs':7 'live':5,6 'songwriter':2
                                    'search_combo'  '00singer':12 'amos':7B 'and':10C,15 'back':11C 'bells':1A 'eos':14 'for':2A 'her':3A 'ifs':18 'live':4A,5A,16,17 'songwriter':13 'to':8C 'tori':6B 'venus':9C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401433.9219387  (2021-11-08 20:57:13)
                             'size'  5495089