======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '265'
                                          'artist'  'Calavera'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Tango Tomate'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychobilly', 'rap', 'hip-hop', 'rockabilly', 'mexican']"
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '115.589'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:Bio:eng'                                      ('Formed in 1994 in Brighton UK, toured and played around England and Europe.  '
 'Songs played on Gilles Peterson Kiss FM and Diego Manrique Radio3 Nacional '
 'de Espana.  Took a 2 year break and band is back with new line up and '
 'members and some new tunes')
'COMM:ID3v1 Comment:XXX'                            'Formed in 1994 in Brighton U'
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '115.589'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '2000'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Tango Tomate'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Calavera'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['psychobilly', 'rap', 'hip-hop', 'rockabilly', 'mexican']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.794860'
'UFID:mailto:webmaster@mp3.com'                     UFID(owner='mailto:webmaster@mp3.com', data=b'687641')

========================== row from database ==========================
                                              'id'  923811
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/calavera - tango tomate.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  265
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  4247424
                                           'mtime'  1620528298
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter calavera tango tomate loc style tango or milonga
                                      'tag_artist'  Calavera
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Tango Tomate
                                             'bpm'  115.589
                                    'search_title'  'tango':1 'tomate':2
                                   'search_artist'  'calavera':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'calavera':1 'loc':4 'milonga':7 'or':6 'style':5 'tango':2 'tomate':3
                                    'search_combo'  'calavera':3B,6 'french':4C 'loc':9 'milonga':12 'or':11 'style':10 'tango':1A,7 'tanguerooo':5C 'tomate':2A,8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['psychobilly', 'rap', 'hip-hop', 'rockabilly', 'mexican']
                                        'tag_date'  2000
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620528297.8486505  (2021-05-09 04:44:57)
                             'size'  4247424