======================== unified (from filesystem) ========================
                                         'bitrate'  '192.297'
                                        'duration'  '178'
                                          'artist'  'Los Diablos'
                                     'text_people'  ''
                                         'release'  'Psychodelicias Vol. 10'
                                           'title'  'Una Maqana'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-2', 'q-chart-1', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['spanish', 'pop', 'oldies', 'crust', 'perlast']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-eur-spain;rock-cppex-psychedelic'
                                             'bpm'  '111.824'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000f02 00001665 000022df'
'COMM:iTunNORM:eng'                                 (' 00000f02 00001665 000022df 000070e0 00026adb 0000e80f 00008000 000078f7 '
 '0000bdf8 0000be0f')
'TALB' (Album/Movie/Show title)                     'Psychodelicias Vol. 10'
'TBPM' (BPM (beats per minute))                     '111.824'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-spain', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Una Maqana'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Diablos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['spanish', 'pop', 'oldies', 'crust', 'perlast']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.460695'

========================== row from database ==========================
                                              'id'  1410773
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Psychodelicias vol.10 (spanish 60s)/06. Los Diablos - Una Mañana.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  loc-eur-spain;rock-cppex-psychedelic
                                        'filesize'  4284288
                                           'mtime'  1621629983
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy vol.10 (spanish 60s) 06. Mañana loc eur spain;rock cppex psychedelic
                                      'tag_artist'  Los Diablos
                                     'tag_release'  Psychodelicias Vol. 10
                                       'tag_title'  Una Maqana
                                             'bpm'  111.824
                                    'search_title'  'maqana':2 'una':1
                                   'search_artist'  'diablos':2 'los':1
                                  'search_release'  'psychodelicias':1 'vol':2,3
                                     'search_rest'  '06':9,10 '10':3 '60s':7,8 'classicprogpsy':1 'cppex':19 'eur':14 'loc':13 'manana':11,12 'psychedelic':20 'rock':16,18 'spain':15,17 'spanish':5,6 'vol':2 'vol10':4
                                    'search_combo'  '06':16,17 '10':10 '60s':14,15 'classicprogpsy':8 'cppex':26 'diablos':4B 'eur':21 'loc':20 'los':3B 'manana':18,19 'maqana':2A 'psychedelic':27 'psychodelicias':5C 'rock':23,25 'spain':22,24 'spanish':12,13 'una':1A 'vol':6C,7C,9 'vol10':11
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['spanish', 'pop', 'oldies', 'crust', 'perlast']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629982.8378959  (2021-05-21 22:46:22)
                             'size'  4284288