======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'Johnny Pacheco & Daniel Santos'
                                     'text_people'  'Roberto Cole'
                                         'release'  'Los Distinguidos'
                                           'title'  'Lamento del Campesino'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-1', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['salsa', 'latin', 'fania', 'chill906', 'dance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'loc-islands'
                                             'bpm'  '129.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Los Distinguidos'
'TBPM' (BPM (beats per minute))                     '129.6'
'TCOM' (Composer)                                   'Roberto Cole'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Lamento del Campesino'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '215053'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Pacheco & Daniel Santos'
'TPE2' (Band/orchestra/accompaniment)               'Johnny Pacheco & Daniel Santos'
'TPUB' (Publisher)                                  'Fania'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['salsa', 'latin', 'fania', 'chill906', 'dance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.716961'

========================== row from database ==========================
                                              'id'  726887
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/johnny pacheco & daniel santos - los distinguidos [1979]/09 - Lamento Del Campesino.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  loc-islands
                                        'filesize'  3448382
                                           'mtime'  1621695792
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm johnny pacheco daniel santos los distinguidos [1979] 09 Del loc islands
                                      'tag_artist'  Johnny Pacheco & Daniel Santos
                                     'tag_release'  Los Distinguidos
                                       'tag_title'  Lamento del Campesino
                                             'bpm'  129.6
                                    'search_title'  'campesino':3 'del':2 'lamento':1
                                   'search_artist'  'daniel':3 'johnny':1 'pacheco':2 'santos':4
                                  'search_release'  'distinguidos':2 'los':1
                                     'search_rest'  '1979':7,8 'daniel':3 'del':9 'distinguidos':6 'islands':11 'johnny':1 'loc':10 'los':5 'pacheco':2 'santos':4
                                    'search_combo'  '1979':16,17 'campesino':3A 'daniel':6B,12 'del':2A,18 'distinguidos':9C,15 'islands':20 'johnny':4B,10 'lamento':1A 'loc':19 'los':8C,14 'pacheco':5B,11 'santos':7B,13
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['salsa', 'latin', 'fania', 'chill906', 'dance']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695792.3062215  (2021-05-22 17:03:12)
                             'size'  3448382