======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '72'
                                          'artist'  'A. Kazdin & T.Z. Shepard'
                                     'text_people'  ''
                                         'release'  'The Mighty Moog'
                                           'title'  'Carmen (Preludio al acto 1ero)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['moog']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth-moog'
                                             'bpm'  '140.7'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Mighty Moog'
'TBPM' (BPM (beats per minute))                     '140.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth-moog']
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Carmen (Preludio al acto 1ero)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'A. Kazdin & T.Z. Shepard'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'moog'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.63 dB'
'TXXX:replaygain_track_peak'                        '0.969302'

========================== row from database ==========================
                                              'id'  1375847
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A. Kazdin & T.Z. Shepard - The Mighty Moog (1971)/03 Carmen (Preludio al acto 1ero).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  72
                                           'genre'  electronic-experimental-early;mi-earlysynth-moog
                                        'filesize'  1156992
                                           'mtime'  1637329135
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (1971) 03 electronic experimental early;mi earlysynth moog
                                      'tag_artist'  A. Kazdin & T.Z. Shepard
                                     'tag_release'  The Mighty Moog
                                       'tag_title'  Carmen (Preludio al acto 1ero)
                                             'bpm'  140.7
                                    'search_title'  '1ero':6,7 'acto':5 'al':4 'carmen':1 'preludio':2,3
                                   'search_artist'  'a':1,2 'kazdin':3 'shepard':7 't':4 'tz':6 'z':5
                                  'search_release'  'mighty':2 'moog':3 'the':1
                                     'search_rest'  '1971':1,2 'early':5,7 'earlysynth':9 'electronic':3 'experimental':4 'mi':6,8 'moog':10
                                    'search_combo'  '1971':18,19 '1ero':6A,7A 'a':8B,9B 'acto':5A 'al':4A 'carmen':1A 'early':22,24 'earlysynth':26 'electronic':20 'experimental':21 'kazdin':10B 'mi':23,25 'mighty':16C 'moog':17C,27 'preludio':2A,3A 'shepard':14B 't':11B 'the':15C 'tz':13B 'z':12B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['moog']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329134.9028094  (2021-11-19 14:38:54)
                             'size'  1156992