======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Talco'
                                     'text_people'  ''
                                         'release'  'Mazel Tov'
                                           'title'  'Il Mio Tempo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'italian']"
                                     'discogstags'  "['ska', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '120.113'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mazel Tov'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska-punk'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Il Mio Tempo'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '164362'
'TPE1' (Lead performer(s)/Soloist(s))               'Talco'
'TPE2' (Band/orchestra/accompaniment)               'Talco'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['ska', 'rock']
'TXXX:lastfmtags'                                   ['ska punk', 'ska', 'punk', 'italian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.41 dB'
'TXXX:replaygain_track_peak'                        '0.330300'

========================== row from database ==========================
                                              'id'  1387283
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Talco/Mazel Tov/04 - Il Mio Tempo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  3946747
                                           'mtime'  1620522357
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 04 loc style reggae or dub or ska or dancehall ska punk
                                      'tag_artist'  Talco
                                     'tag_release'  Mazel Tov
                                       'tag_title'  Il Mio Tempo
                                             'bpm'  120.113
                                    'search_title'  'il':1 'mio':2 'tempo':3
                                   'search_artist'  'talco':1
                                  'search_release'  'mazel':1 'tov':2
                                     'search_rest'  '00reggae':1 'dancehall':8 'dub':2 'loc':3 'or':6 'punk':9 'reggae':5 'ska':7 'style':4
                                    'search_combo'  '00reggae':7 'dancehall':14 'dub':8 'il':1A 'loc':9 'mazel':5C 'mio':2A 'or':12 'punk':15 'reggae':11 'ska':13 'style':10 'talco':4B 'tempo':3A 'tov':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'italian']
                                        'tag_date'  2008
                                     'discogstags'  ['ska', 'rock']

============================== file details ==============================
                                           'mtime'  1620522357.2956357  (2021-05-09 03:05:57)
                             'size'  3946747