======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '384'
                                          'artist'  'Bassbin Twins'
                                     'text_people'  ''
                                         'release'  'Dope on Plastic 5-1'
                                           'title'  'Between The Fro'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['breakbeat', 'breaks', 'techno', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '84.773'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dope on Plastic 5-1'
'TBPM' (BPM (beats per minute))                     '84.773'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Between The Fro'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bassbin Twins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,192'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'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'                                   ['breakbeat', 'breaks', 'techno', 'electronic', 'big beat']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.457788'

========================== row from database ==========================
                                              'id'  1404588
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Dope On Plastic 5-1/Bassbin Twins - Between The Fro.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  384
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  6159430
                                           'mtime'  1622757043
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat On electronic generic or radio dance
                                      'tag_artist'  Bassbin Twins
                                     'tag_release'  Dope on Plastic 5-1
                                       'tag_title'  Between The Fro
                                             'bpm'  84.773
                                    'search_title'  'between':1 'fro':3 'the':2
                                   'search_artist'  'bassbin':1 'twins':2
                                  'search_release'  '1':5 '5':4 '51':6 'dope':1 'on':2 'plastic':3
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':6 'generic':2 'on':5 'or':7 'radio':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':12 '1':10C '5':9C '51':11C 'bassbin':4B 'between':1A 'dance':14 'dope':6C 'electronic':17 'fro':3A 'generic':13 'on':7C,16 'or':18 'plastic':8C 'radio':19 'the':2A 'trapbeat':15 'twins':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'breaks', 'techno', 'electronic', 'big beat']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622757043.2474134  (2021-06-03 23:50:43)
                             'size'  6159430