======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '327'
                                          'artist'  'Veruca Salt'
                                     'text_people'  ''
                                         'release'  'Volcano Girls [disc 2]'
                                           'title'  'Pale Green'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-gr-grunge'
                                             'bpm'  '145.790'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Volcano Girls [disc 2]'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-grunge'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Pale Green'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Veruca Salt'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.540221'

========================== row from database ==========================
                                              'id'  1325448
                                            'path'  /data/Music/Bulk/00poprockelectronic/Veruca Salt/MBZ;#Veruca Salt;#Volcano Girls [disc 2];#02;#Pale Green.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  327
                                           'genre'  rock-gr-grunge
                                        'filesize'  5245661
                                           'mtime'  1636903172
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Veruca Salt;#Volcano 2];#02;#Pale rock gr grunge
                                      'tag_artist'  Veruca Salt
                                     'tag_release'  Volcano Girls [disc 2]
                                       'tag_title'  Pale Green
                                             'bpm'  145.79
                                    'search_title'  'green':2 'pale':1
                                   'search_artist'  'salt':2 'veruca':1
                                  'search_release'  '2':5,6 'disc':3,4 'girls':2 'volcano':1
                                     'search_rest'  '00poprockelectronic':1 '02':11,14 '2':10,13 'gr':17 'grunge':18 'mbz':2,4 'pale':12,15 'rock':16 'salt':6,8 'veruca':3,5 'volcano':7,9
                                    'search_combo'  '00poprockelectronic':11 '02':21,24 '2':9C,10C,20,23 'disc':7C,8C 'girls':6C 'gr':27 'green':2A 'grunge':28 'mbz':12,14 'pale':1A,22,25 'rock':26 'salt':4B,16,18 'veruca':3B,13,15 'volcano':5C,17,19
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636903172.0472999  (2021-11-14 16:19:32)
                             'size'  5245661