======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '264'
                                          'artist'  'Goblin'
                                     'text_people'  ''
                                         'release'  'Dawn Of The Dead'
                                           'title'  'Zombi'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'electronic', 'progressive rock', 'experimental', 'italian']"
                                     'discogstags'  ("['electronic', 'rock', 'stage & screen', 'soundtrack', 'score', 'prog rock', "
 "'synth-pop', 'experimental', 'tribal', 'ambient', 'downtempo']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '95.438'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dawn Of The Dead'
'TBPM' (BPM (beats per minute))                     '95.438'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Zombi'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Goblin'
'TPE2' (Band/orchestra/accompaniment)               'Goblin'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'rock',
 'stage & screen',
 'soundtrack',
 'score',
 'prog rock',
 'synth-pop',
 'experimental',
 'tribal',
 'ambient',
 'downtempo']
'TXXX:lastfmtags'                                   ['soundtrack', 'electronic', 'progressive rock', 'experimental', 'italian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.713888'

========================== row from database ==========================
                                              'id'  1416845
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/1978 - Goblin - Dawn Of The Dead (CD, 1998)/02 Zombi.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  264
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10575506
                                           'mtime'  1620736012
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1978 (CD, 1998) 02 rock cppex progressive
                                      'tag_artist'  Goblin
                                     'tag_release'  Dawn Of The Dead
                                       'tag_title'  Zombi
                                             'bpm'  95.438
                                    'search_title'  'zombi':1
                                   'search_artist'  'goblin':1
                                  'search_release'  'dawn':1 'dead':4 'of':2 'the':3
                                     'search_rest'  '1978':2 '1998':5,6 'cd':3,4 'classicprogpsy':1 'cppex':8 'progressive':9 'rock':7
                                    'search_combo'  '1978':8 '1998':11,12 'cd':9,10 'classicprogpsy':7 'cppex':14 'dawn':3C 'dead':6C 'goblin':2B 'of':4C 'progressive':15 'rock':13 'the':5C 'zombi':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'electronic', 'progressive rock', 'experimental', 'italian']
                                        'tag_date'  1978
                                     'discogstags'  ['electronic', 'rock', 'stage & screen', 'soundtrack', 'score', 'prog rock', 'synth-pop', 'experimental', 'tribal', 'ambient', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620736011.8586082  (2021-05-11 14:26:51)
                             'size'  10575506