======================== unified (from filesystem) ========================
                                         'bitrate'  '233.607'
                                        'duration'  '303'
                                          'artist'  'Xploding Plastix'
                                     'text_people'  ''
                                         'release'  'Amateur Girlfriend go Proskirt'
                                           'title'  'Sports, Not Heavy Crime'
                                           '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-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['breakbeat', 'drum and bass', 'acid jazz', 'electronic', 'nu jazz']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz;set-pl-sced'
                                             'bpm'  '108.1'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001145 00001176 000060A7 00006154 000413B0 000413B0 00008000 00008000 '
 '0002DBBE 0004437C')
'TALB' (Album/Movie/Show title)                     'Amateur Girlfriend go Proskirt'
'TBPM' (BPM (beats per minute))                     '108.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-trip hop or downtempo or acid jazz', 'set-pl-sced']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Sports, Not Heavy Crime'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Xploding Plastix'
'TPE2' (Band/orchestra/accompaniment)               'Xploding Plastix'
'TRCK' (Track number/Position in set)               '1'
'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', 'drum and bass', 'acid jazz', 'electronic', 'nu jazz']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.368206'

========================== row from database ==========================
                                              'id'  1385357
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Xploding Plastix/[2001] Amateur Girlfriend go Proskirt/01 Sports, Not Heavy Crime.mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  303
                                           'genre'  electronic-trip hop or downtempo or acid jazz;set-pl-sced
                                        'filesize'  8901783
                                           'mtime'  1636911102
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip [2001] 01 electronic trip hop downtempo acid jazz;set sced
                                      'tag_artist'  Xploding Plastix
                                     'tag_release'  Amateur Girlfriend go Proskirt
                                       'tag_title'  Sports, Not Heavy Crime
                                             'bpm'  108.1
                                    'search_title'  'crime':5 'heavy':4 'not':3 'sports':1,2
                                   'search_artist'  'plastix':2 'xploding':1
                                  'search_release'  'amateur':1 'girlfriend':2 'go':3 'proskirt':4
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '2001':3,4 'acid':9 'downtempo':8 'electronic':5 'hop':7 'jazz':10,12 'sced':14 'set':11,13 'trip':6
                                    'search_combo'  '00poprockelectronic':12 '00trip':13 '2001':14,15 'acid':20 'amateur':8C 'crime':5A 'downtempo':19 'electronic':16 'girlfriend':9C 'go':10C 'heavy':4A 'hop':18 'jazz':21,23 'not':3A 'plastix':7B 'proskirt':11C 'sced':25 'set':22,24 'sports':1A,2A 'trip':17 'xploding':6B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'drum and bass', 'acid jazz', 'electronic', 'nu jazz']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911102.123116  (2021-11-14 18:31:42)
                             'size'  8901783