======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '381'
                                          'artist'  'Hooverphonic'
                                     'text_people'  ''
                                         'release'  'Battersea'
                                           'title'  '2Wicky (DJ Pulse remix)'
                                           '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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']"
                                     'discogstags'  "['trip hop', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '108.413'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Battersea'
'TBPM' (BPM (beats per minute))                     '108.413'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         '2Wicky (DJ Pulse remix)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hooverphonic'
'TRCK' (Track number/Position in set)               '3'
'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'                                  ['trip hop', 'electronic']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.488873'

========================== row from database ==========================
                                              'id'  1327507
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Hooverphonic/MBZ;#Hooverphonic;#Battersea;#03;#2Wicky (DJ Pulse remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  381
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6104688
                                           'mtime'  1636910601
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#Hooverphonic;#Battersea;#03;#2Wicky electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Hooverphonic
                                     'tag_release'  Battersea
                                       'tag_title'  2Wicky (DJ Pulse remix)
                                             'bpm'  108.413
                                    'search_title'  '2wicky':1 'dj':2,3 'pulse':4 'remix':5,6
                                   'search_artist'  'hooverphonic':1
                                  'search_release'  'battersea':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '03':6,11 '2wicky':7,12 'acid':18 'battersea':5,10 'downtempo':17 'electronic':13 'hooverphonic':4,9 'hop':15 'jazz':19 'mbz':3,8 'or':16 'trip':14
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 '03':14,19 '2wicky':1A,15,20 'acid':26 'battersea':8C,13,18 'dj':2A,3A 'downtempo':25 'electronic':21 'hooverphonic':7B,12,17 'hop':23 'jazz':27 'mbz':11,16 'or':24 'pulse':4A 'remix':5A,6A 'trip':22
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
                                        'tag_date'  1998
                                     'discogstags'  ['trip hop', 'electronic']

============================== file details ==============================
                                           'mtime'  1636910600.9157596  (2021-11-14 18:23:20)
                             'size'  6104688