======================== unified (from filesystem) ========================
                                         'bitrate'  '195.539'
                                        'duration'  '221'
                                          'artist'  'Stakker'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Humanoid'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techno', 'electronic', 'acid', 'rave', 'technohouse']"
                                     'discogstags'  "['acid house', 'techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '99.665'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '99.665'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Humanoid'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stakker'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['acid house', 'techno', 'electronic']
'TXXX:lastfmtags'                                   ['techno', 'electronic', 'acid', 'rave', 'technohouse']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.441101'

========================== row from database ==========================
                                              'id'  1407115
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Stakker - Humanoid.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  221
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5408051
                                           'mtime'  1620582217
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat electronic generic or radio dance
                                      'tag_artist'  Stakker
                                     'tag_release'  None
                                       'tag_title'  Humanoid
                                             'bpm'  99.665
                                    'search_title'  'humanoid':1
                                   'search_artist'  'stakker':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'or':6 'radio':7 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':3 'dance':5 'electronic':7 'generic':4 'humanoid':1A 'or':8 'radio':9 'stakker':2B 'trapbeat':6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'electronic', 'acid', 'rave', 'technohouse']
                                        'tag_date'  1991
                                     'discogstags'  ['acid house', 'techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620582217.003167  (2021-05-09 19:43:37)
                             'size'  5408051