======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '197'
                                          'artist'  'Nullsleep'
                                     'text_people'  ''
                                         'release'  '8bitpeoples Collection'
                                           'title'  'Destination Tomorrow [GB version]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '91.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '8bitpeoples Collection'
'TBPM' (BPM (beats per minute))                     '91.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Destination Tomorrow [GB version]'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nullsleep'
'TRCK' (Track number/Position in set)               '4/5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.646699'

========================== row from database ==========================
                                              'id'  132033
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Nullsleep/Nullsleep - Destination Tomorrow [Gb Version].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  197
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  4751232
                                           'mtime'  1621705465
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [Gb Version] electronic we beeps chip pico
                                      'tag_artist'  Nullsleep
                                     'tag_release'  8bitpeoples Collection
                                       'tag_title'  Destination Tomorrow [GB version]
                                             'bpm'  91.3
                                    'search_title'  'destination':1 'gb':3,4 'tomorrow':2 'version':5,6
                                   'search_artist'  'nullsleep':1
                                  'search_release'  '8bitpeoples':1 'collection':2
                                     'search_rest'  'beeps':7 'chip':8 'electronic':5 'gb':1,2 'pico':9 'version':3,4 'we':6
                                    'search_combo'  '8bitpeoples':8C 'beeps':16 'chip':17 'collection':9C 'destination':1A 'electronic':14 'gb':3A,4A,10,11 'nullsleep':7B 'pico':18 'tomorrow':2A 'version':5A,6A,12,13 'we':15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621705465.0549562  (2021-05-22 19:44:25)
                             'size'  4751232