======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '158'
                                          'artist'  'Ruth Fernandez y Orquesta Panamericana'
                                     'text_people'  ''
                                         'release'  '!Saoco! The Bomba and Plena Explosion in Puerto Rico 1954-1966'
                                           'title'  'Bembeteando'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-puertorico'
                                             'bpm'  '89.335'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '!Saoco! The Bomba and Plena Explosion in Puerto Rico 1954-1966'
'TBPM' (BPM (beats per minute))                     '89.335'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-puertorico'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'The one who bought this album'
'TIT2' (Title/songname/content description)         'Bembeteando'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ruth Fernandez y Orquesta Panamericana'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'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:q-bass'                                       '1'
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.296922'

========================== row from database ==========================
                                              'id'  1383222
                                            'path'  /data/Music/Bulk/00localcharacter/SAOCO! 2 - BOMBA PLENA & THE ROOTS OF SALSA IN PUERTO RICO 1955-1967 [VAMPISOUL] (2013)/212. Bembeteando.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  158
                                           'genre'  loc-puertorico
                                        'filesize'  6637692
                                           'mtime'  1621629770
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter SAOCO! 2 BOMBA PLENA & THE ROOTS OF SALSA IN PUERTO RICO 1955 1967 [VAMPISOUL] (2013) 212. loc puertorico
                                      'tag_artist'  Ruth Fernandez y Orquesta Panamericana
                                     'tag_release'  !Saoco! The Bomba and Plena Explosion in Puerto Rico 1954-1966
                                       'tag_title'  Bembeteando
                                             'bpm'  89.335
                                    'search_title'  'bembeteando':1
                                   'search_artist'  'fernandez':2 'orquesta':4 'panamericana':5 'ruth':1 'y':3
                                  'search_release'  '1954':10 '19541966':12 '1966':11 'and':4 'bomba':3 'explosion':6 'in':7 'plena':5 'puerto':8 'rico':9 'saoco':1 'the':2
                                     'search_rest'  '1955':12 '1967':13 '2':2 '2013':16,17 '212':18,19 'bomba':3 'in':9 'loc':20 'of':7 'plena':4 'puerto':10 'puertorico':21 'rico':11 'roots':6 'salsa':8 'saoco':1 'the':5 'vampisoul':14,15
                                    'search_combo'  '1954':16C '19541966':18C '1955':30 '1966':17C '1967':31 '2':20 '2013':34,35 '212':36,37 'and':10C 'bembeteando':1A 'bomba':9C,21 'explosion':12C 'fernandez':3B 'in':13C,27 'loc':38 'of':25 'orquesta':5B 'panamericana':6B 'plena':11C,22 'puerto':14C,28 'puertorico':39 'rico':15C,29 'roots':24 'ruth':2B 'salsa':26 'saoco':7C,19 'the':8C,23 'vampisoul':32,33 'y':4B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629769.5170705  (2021-05-21 22:42:49)
                             'size'  6637692