======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '227'
                                          'artist'  'Savages Y Suefo'
                                     'text_people'  ''
                                         'release'  'Electro Swing Spirit CD2'
                                           'title'  'Black Cat Jive'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electro-swing', 'lounge', 'electronic', 'swing', 'electro swing']"
                                     'discogstags'  "['electronic', 'jazz', 'downtempo', 'hip hop', 'latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '0'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '120.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electro Swing Spirit CD2'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Black Cat Jive'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Savages Y Suefo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '0/0'
'TRCK' (Track number/Position in set)               '19/0'
'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', 'jazz', 'downtempo', 'hip hop', 'latin']
'TXXX:lastfmtags'                                   ['electro-swing', 'lounge', 'electronic', 'swing', 'electro swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.504295'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'')
'USLT::\x00\x00\x00'                                ''

========================== row from database ==========================
                                              'id'  1320551
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/new fashion/219. savages y suefo - black cat jive.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  227
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9100004
                                           'mtime'  1636911162
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip new fashion 219. savages y suefo black cat jive electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Savages Y Suefo
                                     'tag_release'  Electro Swing Spirit CD2
                                       'tag_title'  Black Cat Jive
                                             'bpm'  120.0
                                    'search_title'  'black':1 'cat':2 'jive':3
                                   'search_artist'  'savages':1 'suefo':3 'y':2
                                  'search_release'  'cd2':4 'electro':1 'spirit':3 'swing':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '219':5,6 'acid':18 'black':10 'cat':11 'downtempo':17 'electronic':13 'fashion':4 'hop':15 'jazz':19 'jive':12 'new':3 'or':16 'savages':7 'suefo':9 'trip':14 'y':8
                                    'search_combo'  '00poprockelectronic':11 '00trip':12 '219':15,16 'acid':28 'black':1A,20 'cat':2A,21 'cd2':10C 'downtempo':27 'electro':7C 'electronic':23 'fashion':14 'hop':25 'jazz':29 'jive':3A,22 'new':13 'or':26 'savages':4B,17 'spirit':9C 'suefo':6B,19 'swing':8C 'trip':24 'y':5B,18
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electro-swing', 'lounge', 'electronic', 'swing', 'electro swing']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'jazz', 'downtempo', 'hip hop', 'latin']

============================== file details ==============================
                                           'mtime'  1636911162.1807716  (2021-11-14 18:32:42)
                             'size'  9100004