======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '171'
                                          'artist'  'Carlos Roman Y Su Conjunto'
                                     'text_people'  ''
                                         'release'  'La Maya Y Otros 15 Exitos Para Su Fiesta'
                                           'title'  'Wellcome'
                                           '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-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '100.009'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'La Maya Y Otros 15 Exitos Para Su Fiesta'
'TBPM' (BPM (beats per minute))                     '100.009'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'Wellcome'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carlos Roman Y Su Conjunto'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'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'                                  'latin'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.567418'

========================== row from database ==========================
                                              'id'  766851
                                            'path'  /data/Music/Bulk/00localcharacter/La Maya y otros 15 exitos para su fiesta/12 Wellcome.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  171
                                           'genre'  loc-style-latin
                                        'filesize'  2748688
                                           'mtime'  1620592685
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter otros exitos para su fiesta 12 loc style latin
                                      'tag_artist'  Carlos Roman Y Su Conjunto
                                     'tag_release'  La Maya Y Otros 15 Exitos Para Su Fiesta
                                       'tag_title'  Wellcome
                                             'bpm'  100.009
                                    'search_title'  'wellcome':1
                                   'search_artist'  'carlos':1 'conjunto':5 'roman':2 'su':4 'y':3
                                  'search_release'  'exitos':5 'fiesta':8 'la':1 'maya':2 'otros':4 'para':6 'su':7 'y':3
                                     'search_rest'  'exitos':2 'fiesta':5 'latin':8 'loc':6 'otros':1 'para':3 'style':7 'su':4
                                    'search_combo'  'carlos':2B 'conjunto':6B 'exitos':11C,16 'fiesta':14C,19 'la':7C 'latin':22 'loc':20 'maya':8C 'otros':10C,15 'para':12C,17 'roman':3B 'style':21 'su':5B,13C,18 'wellcome':1A 'y':4B,9C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1962
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620592684.615219  (2021-05-09 22:38:04)
                             'size'  2748688