======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '254'
                                          'artist'  'Los Blops'
                                     'text_people'  ''
                                         'release'  'Del volar de las palomas'
                                           'title'  'Campos verdes'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chile', 'psychedelic', 'rock', 'folk', 'progressive rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'ifs-folk-psychedelic'
                                             'bpm'  '130.734'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Del volar de las palomas'
'TBPM' (BPM (beats per minute))                     '130.734'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-psychedelic'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Campos verdes'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Blops'
'TRCK' (Track number/Position in set)               '10'
'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'                                   ['chile', 'psychedelic', 'rock', 'folk', 'progressive rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.496907'

========================== row from database ==========================
                                              'id'  1120712
                                            'path'  /data/Music/Bulk/00localcharacter/blops - del volar de las palomas 1971 chile/10 - campos verdes.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  254
                                           'genre'  ifs-folk-psychedelic
                                        'filesize'  5085056
                                           'mtime'  1637330735
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter blops del 1971 chile 10 campos ifs folk psychedelic
                                      'tag_artist'  Los Blops
                                     'tag_release'  Del volar de las palomas
                                       'tag_title'  Campos verdes
                                             'bpm'  130.734
                                    'search_title'  'campos':1 'verdes':2
                                   'search_artist'  'blops':2 'los':1
                                  'search_release'  'de':3 'del':1 'las':4 'palomas':5 'volar':2
                                     'search_rest'  '1971':3 'blops':1 'campos':5 'chile':4 'del':2 'folk':7 'ifs':6 'psychedelic':8
                                    'search_combo'  '1971':12 'blops':4B,10 'campos':1A,14 'chile':13 'de':7C 'del':5C,11 'folk':16 'ifs':15 'las':8C 'los':3B 'palomas':9C 'psychedelic':17 'verdes':2A 'volar':6C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['chile', 'psychedelic', 'rock', 'folk', 'progressive rock']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330735.458912  (2021-11-19 15:05:35)
                             'size'  5085056