======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '282'
                                          'artist'  'Los Kjarkas'
                                     'text_people'  ''
                                         'release'  'En Vivo Desde Europa'
                                           'title'  'Canto A La Mujer De Mi Pueblo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latin', 'bolivia', 'musica andina', 'andina', 'folk']"
                                     'discogstags'  "['folk', 'latin', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'loc-samerica-bolivia'
                                             'bpm'  '92.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'En Vivo Desde Europa'
'TBPM' (BPM (beats per minute))                     '92.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-bolivia'
'TDRC' (Recording time)                             '1980'
'TIT1' (Content group description)                  'Folklore'
'TIT2' (Title/songname/content description)         'Canto A La Mujer De Mi Pueblo'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Kjarkas'
'TRCK' (Track number/Position in set)               '03'
'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:discogstags'                                  ['folk', 'latin', 'folk, world, & country']
'TXXX:lastfmtags'                                   ['latin', 'bolivia', 'musica andina', 'andina', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.879143'

========================== row from database ==========================
                                              'id'  1241011
                                            'path'  /data/Music/Bulk/00localcharacter/Los Kjarkas - 1980 - En Vivo Desde Europa/03_canto_a_la_mujer_de_mi_pueblo.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  282
                                           'genre'  loc-samerica-bolivia
                                        'filesize'  4521984
                                           'mtime'  1621629737
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 1980 03_canto_a_la_mujer_de_mi_pueblo loc samerica bolivia
                                      'tag_artist'  Los Kjarkas
                                     'tag_release'  En Vivo Desde Europa
                                       'tag_title'  Canto A La Mujer De Mi Pueblo
                                             'bpm'  92.2
                                    'search_title'  'a':2 'canto':1 'de':5 'la':3 'mi':6 'mujer':4 'pueblo':7
                                   'search_artist'  'kjarkas':2 'los':1
                                  'search_release'  'desde':3 'en':1 'europa':4 'vivo':2
                                     'search_rest'  '03':2 '1980':1 'a':4 'bolivia':12 'canto':3 'de':7 'la':5 'loc':10 'mi':8 'mujer':6 'pueblo':9 'samerica':11
                                    'search_combo'  '03':15 '1980':14 'a':2A,17 'bolivia':25 'canto':1A,16 'de':5A,20 'desde':12C 'en':10C 'europa':13C 'kjarkas':9B 'la':3A,18 'loc':23 'los':8B 'mi':6A,21 'mujer':4A,19 'pueblo':7A,22 'samerica':24 'vivo':11C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['latin', 'bolivia', 'musica andina', 'andina', 'folk']
                                        'tag_date'  1980
                                     'discogstags'  ['folk', 'latin', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629737.3004963  (2021-05-21 22:42:17)
                             'size'  4521984