======================== unified (from filesystem) ========================
                                         'bitrate'  '192.103'
                                        'duration'  '149'
                                          'artist'  'Los Sicodelicos'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 9'
                                           'title'  'Gas Light'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'surf rock', 'chile', 'rock chileno', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-eur-spain;rock-cppex-psychedelic'
                                             'bpm'  '111.640'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 9'
'TBPM' (BPM (beats per minute))                     '111.640'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-spain', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Gas Light'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Sicodelicos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rock', 'surf rock', 'chile', 'rock chileno', 'psychedelic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-2.39 dB'
'TXXX:replaygain_track_peak'                        '0.454834'

========================== row from database ==========================
                                              'id'  1409254
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.09 (spanish 60s)/14 Los Sicodelicos Gas Light.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  loc-eur-spain;rock-cppex-psychedelic
                                        'filesize'  4078516
                                           'mtime'  1621629983
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.09 (spanish 60s) 14 loc eur spain;rock cppex psychedelic
                                      'tag_artist'  Los Sicodelicos
                                     'tag_release'  Psychodelicias Vol. 9
                                       'tag_title'  Gas Light
                                             'bpm'  111.64
                                    'search_title'  'gas':1 'light':2
                                   'search_artist'  'los':1 'sicodelicos':2
                                  'search_release'  '9':4 'psychodelicias':1 'vol':2,3
                                     'search_rest'  '09':3 '60s':7,8 'classicprogpsy':1 'cppex':15 'eur':10 'loc':9 'psychedelic':16 'rock':12,14 'spain':11,13 'spanish':5,6 'vol':2 'vol09':4
                                    'search_combo'  '09':11 '60s':15,16 '9':8C 'classicprogpsy':9 'cppex':23 'eur':18 'gas':1A 'light':2A 'loc':17 'los':3B 'psychedelic':24 'psychodelicias':5C 'rock':20,22 'sicodelicos':4B 'spain':19,21 'spanish':13,14 'vol':6C,7C,10 'vol09':12
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'surf rock', 'chile', 'rock chileno', 'psychedelic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629982.778542  (2021-05-21 22:46:22)
                             'size'  4078516