======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '325'
                                          'artist'  'Portishead'
                                     'text_people'  ''
                                         'release'  'Trip Hop Reconstruction'
                                           'title'  'Glory Box (Mudflop Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'alternative', 'female vocalists', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '120.113'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Trip Hop Reconstruction'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TIT2' (Title/songname/content description)         'Glory Box (Mudflop Mix)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Portishead'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['electronic', 'alternative', 'female vocalists', 'trip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.986602'

========================== row from database ==========================
                                              'id'  1327127
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Portishead/MBZ;#Portishead;#Trip-Hop Reconstruction;#09;#Glory Box.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  325
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6509404
                                           'mtime'  1636910878
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#Portishead;#Trip Reconstruction;#09;#Glory electronic trip hop downtempo acid jazz
                                      'tag_artist'  Portishead
                                     'tag_release'  Trip Hop Reconstruction
                                       'tag_title'  Glory Box (Mudflop Mix)
                                             'bpm'  120.113
                                    'search_title'  'box':2 'glory':1 'mix':5,6 'mudflop':3,4
                                   'search_artist'  'portishead':1
                                  'search_release'  'hop':2 'reconstruction':3 'trip':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '09':10,13 'acid':19 'downtempo':18 'electronic':15 'glory':11,14 'hop':17 'jazz':20 'mbz':3,6 'portishead':4,7 'reconstruction':9,12 'trip':5,8,16
                                    'search_combo'  '00poprockelectronic':11 '00trip':12 '09':20,23 'acid':29 'box':2A 'downtempo':28 'electronic':25 'glory':1A,21,24 'hop':9C,27 'jazz':30 'mbz':13,16 'mix':5A,6A 'mudflop':3A,4A 'portishead':7B,14,17 'reconstruction':10C,19,22 'trip':8C,15,18,26
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2A
                                           '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-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'alternative', 'female vocalists', 'trip hop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910877.9667828  (2021-11-14 18:27:57)
                             'size'  6509404