======================== unified (from filesystem) ========================
                                         'bitrate'  '249.708'
                                        'duration'  '315'
                                          'artist'  'Olemus'
                                     'text_people'  ''
                                         'release'  'Egod'
                                           'title'  'Where We Are On'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['austrian', 'rock', 'doom metal', 'gothic doom metal', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '105.6'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Egod'
'TBPM' (BPM (beats per minute))                     '105.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Winamp 5.32'
'TIT2' (Title/songname/content description)         'Where We Are On'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Olemus'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'CCP Records'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['austrian', 'rock', 'doom metal', 'gothic doom metal', 'gothic metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.387898'

========================== row from database ==========================
                                              'id'  1393643
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Olemus/Olemus - EgOd/Olemus - 02 - Where We Are On.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  315
                                           'genre'  eid-metal
                                        'filesize'  9852800
                                           'mtime'  1620301316
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal EgOd 02 eid metal
                                      'tag_artist'  Olemus
                                     'tag_release'  Egod
                                       'tag_title'  Where We Are On
                                             'bpm'  105.6
                                    'search_title'  'are':3 'on':4 'we':2 'where':1
                                   'search_artist'  'olemus':1
                                  'search_release'  'egod':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eg':6 'egod':3 'eid':4 'metal':5 'od':7
                                    'search_combo'  '00dwimp':7 '00metal':8 'are':3A 'eg':12 'egod':6C,9 'eid':10 'metal':11 'od':13 'olemus':5B 'on':4A 'we':2A 'where':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['austrian', 'rock', 'doom metal', 'gothic doom metal', 'gothic metal']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301316.2285404  (2021-05-06 13:41:56)
                             'size'  9852800