======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '198'
                                          'artist'  'S.O.A.P.'
                                     'text_people'  ''
                                         'release'  'Mega Dance 1998'
                                           'title'  'This is how we party'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['pop', 'danish', 'dance', '90s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '110.003'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mega Dance 1998'
'TBPM' (BPM (beats per minute))                     '110.003'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'This is how we party'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'S.O.A.P.'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,193'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'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:lastfmtags'                                   ['pop', 'danish', 'dance', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.414846'

========================== row from database ==========================
                                              'id'  1407237
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Mega dance 1998/S.O.A.P. - This is how we party.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3171014
                                           'mtime'  1621695863
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat dance electronic generic or radio dance
                                      'tag_artist'  S.O.A.P.
                                     'tag_release'  Mega Dance 1998
                                       'tag_title'  This is how we party
                                             'bpm'  110.003
                                    'search_title'  'how':3 'is':2 'party':5 'this':1 'we':4
                                   'search_artist'  'a':3 'o':2 'p':4 's':1 'soap':5
                                  'search_release'  '1998':3 'dance':2 'mega':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'or':6 'radio':7 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':14 '1998':13C 'a':8B 'dance':12C,16 'electronic':18 'generic':15 'how':3A 'is':2A 'mega':11C 'o':7B 'or':19 'p':9B 'party':5A 'radio':20 's':6B 'soap':10B 'this':1A 'trapbeat':17 'we':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'danish', 'dance', '90s']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695862.7965748  (2021-05-22 17:04:22)
                             'size'  3171014