======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '89'
                                          'artist'  'Sun City Girls'
                                     'text_people'  ''
                                         'release'  'Gum Arabic'
                                           'title'  'Gum Arabic'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic folk', 'new weird america', 'avant garde', 'psychedelic', "
 "'experimental']")
                                     'discogstags'  "['rock', 'folk, world, & country', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;rock-cppex-experimental or noise'
                                             'bpm'  '88.826'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Gum Arabic'
'TBPM' (BPM (beats per minute))                     '88.826'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'rock-cppex-experimental or noise']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Gum Arabic'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun City Girls'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'experimental']
'TXXX:lastfmtags'                                   ['psychedelic folk',
 'new weird america',
 'avant garde',
 'psychedelic',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.306391'

========================== row from database ==========================
                                              'id'  929510
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/2010 - Gum Arabic/10 - Gum Arabic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  89
                                           'genre'  rock-cppex-progressive;rock-cppex-experimental or noise
                                        'filesize'  3604259
                                           'mtime'  1620735997
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east 2010 10 rock cppex progressive;rock cppex experimental or noise
                                      'tag_artist'  Sun City Girls
                                     'tag_release'  Gum Arabic
                                       'tag_title'  Gum Arabic
                                             'bpm'  88.826
                                    'search_title'  'arabic':2 'gum':1
                                   'search_artist'  'city':2 'girls':3 'sun':1
                                  'search_release'  'arabic':2 'gum':1
                                     'search_rest'  '00south':1 '2010':5 'cppex':7 'east':4 'europe':2 'experimental':12 'middle':3 'noise':14 'or':13 'progressive':8,10 'rock':6,9,11
                                    'search_combo'  '00south':8 '2010':12 'arabic':2A,7C 'city':4B 'cppex':14 'east':11 'europe':9 'experimental':19 'girls':5B 'gum':1A,6C 'middle':10 'noise':21 'or':20 'progressive':15,17 'rock':13,16,18 'sun':3B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic folk', 'new weird america', 'avant garde', 'psychedelic', 'experimental']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'folk, world, & country', 'experimental']

============================== file details ==============================
                                           'mtime'  1620735997.365761  (2021-05-11 14:26:37)
                             'size'  3604259