======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '120'
                                          'artist'  'Lazyfish'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Static No5'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'techno', 'experimental', 'minimal', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-drone;set-pl-mor'
                                             'bpm'  '134.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '134.3'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-drone', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Static No5'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lazyfish'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['idm', 'techno', 'experimental', 'minimal', 'electronic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.50 dB'
'TXXX:replaygain_track_peak'                        '0.492914'

========================== row from database ==========================
                                              'id'  1425545
                                            'path'  /data/Music/Bulk/00poprockelectronic/00drone/Lazyfish - Static No5.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  120
                                           'genre'  electronic-drone;set-pl-mor
                                        'filesize'  2417418
                                           'mtime'  1636912931
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00drone electronic drone;set pl mor
                                      'tag_artist'  Lazyfish
                                     'tag_release'  None
                                       'tag_title'  Static No5
                                             'bpm'  134.3
                                    'search_title'  'no5':2 'static':1
                                   'search_artist'  'lazyfish':1
                                  'search_release'  
                                     'search_rest'  '00drone':2 '00poprockelectronic':1 'drone':4,6 'electronic':3 'mor':9 'pl':8 'set':5,7
                                    'search_combo'  '00drone':5 '00poprockelectronic':4 'drone':7,9 'electronic':6 'lazyfish':3B 'mor':12 'no5':2A 'pl':11 'set':8,10 'static':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'techno', 'experimental', 'minimal', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912930.6626954  (2021-11-14 19:02:10)
                             'size'  2417418