======================== unified (from filesystem) ========================
                                         'bitrate'  '136.468'
                                        'duration'  '175'
                                          'artist'  'Elia y Elizabeth '
                                     'text_people'  ''
                                         'release'  'Dimitri - Folk, Rock & Guitar'
                                           'title'  'La Onda De Elia y Elizabeth'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-SYN-2', 'Q-BUSY-3', "
 "'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', 'Q-CHART-2', 'Q-JZFKS-1', 'q-drums-2', "
 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['70s', 'latin', 'colombia', 'folk', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '104.9'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Folk, Rock & Guitar'
'TBPM' (BPM (beats per minute))                     '104.9'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'La Onda De Elia y Elizabeth'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elia y Elizabeth '
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['70s', 'latin', 'colombia', 'folk', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.505053'

========================== row from database ==========================
                                              'id'  1477319
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FolkRockGuitar/Elia y Elizabeth Descripción-t6opiKJFF5s.mp3
                                         'working'  None
                                         'bitrate'  136
                                    'duration_sec'  175
                                           'genre'  ifs-songwriter
                                        'filesize'  3001917
                                           'mtime'  1637330696
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FolkRockGuitar Descripción t6opiKJFF5s ifs songwriter
                                      'tag_artist'  Elia y Elizabeth 
                                     'tag_release'  Dimitri - Folk, Rock & Guitar
                                       'tag_title'  La Onda De Elia y Elizabeth
                                             'bpm'  104.9
                                    'search_title'  'de':3 'elia':4 'elizabeth':6 'la':1 'onda':2 'y':5
                                   'search_artist'  'elia':1 'elizabeth':3 'y':2
                                  'search_release'  'dimitri':1 'folk':2,3 'guitar':5 'rock':4
                                     'search_rest'  'descripcion':2,3 'folk':7 'folkrockguitar':1 'guitar':9 'ifs':5 'kjff5s':11 'rock':8 'songwriter':6 't6opi':10 't6opikjff5s':4
                                    'search_combo'  'de':3A 'descripcion':16,17 'dimitri':10C 'elia':4A,7B 'elizabeth':6A,9B 'folk':11C,12C,21 'folkrockguitar':15 'guitar':14C,23 'ifs':19 'kjff5s':25 'la':1A 'onda':2A 'rock':13C,22 'songwriter':20 't6opi':24 't6opikjff5s':18 'y':5A,8B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['70s', 'latin', 'colombia', 'folk', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330696.1733713  (2021-11-19 15:04:56)
                             'size'  3001917