======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '270'
                                          'artist'  'The Shins'
                                     'text_people'  ''
                                         'release'  'Wincing The Night Away'
                                           'title'  'Red Rabbits'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '142.4'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'Wincing The Night Away'
'TBPM' (BPM (beats per minute))                     '142.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Red Rabbits'
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '270785'
'TPE1' (Lead performer(s)/Soloist(s))               'The Shins'
'TRCK' (Track number/Position in set)               '6'
'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', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.544435'

========================== row from database ==========================
                                              'id'  1255648
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Shins - Shins,The/Wincing The Night Away/06 red rabbits.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  270
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4334613
                                           'mtime'  1638554824
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Shins,The 06 red rabbits ifs songwriter indie rock
                                      'tag_artist'  The Shins
                                     'tag_release'  Wincing The Night Away
                                       'tag_title'  Red Rabbits
                                             'bpm'  142.4
                                    'search_title'  'rabbits':2 'red':1
                                   'search_artist'  'shins':2 'the':1
                                  'search_release'  'away':4 'night':3 'the':2 'wincing':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':10 'indie':11 'rabbits':9 'red':8 'rock':12 'shins':4,6 'songwriter':2 'the':5,7
                                    'search_combo'  '00singer':9 'away':8C 'eos':11 'ifs':18 'indie':19 'night':7C 'rabbits':2A,17 'red':1A,16 'rock':20 'shins':4B,12,14 'songwriter':10 'the':3B,6C,13,15 'wincing':5C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554823.82753  (2021-12-03 19:07:03)
                             'size'  4334613