======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '77'
                                          'artist'  'P.O.D.'
                                     'text_people'  ''
                                         'release'  'Satellite'
                                           'title'  'Guitarras de Amor'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'rapcore', 'metal', 'rock', 'alternative', 'nu metal']"
                                     'discogstags'  "['rock', 'nu metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '135.004'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Satellite'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Guitarras de Amor'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '77666'
'TPE1' (Lead performer(s)/Soloist(s))               'P.O.D.'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'nu metal']
'TXXX:lastfmtags'                                   ['alternative rock', 'rapcore', 'metal', 'rock', 'alternative', 'nu metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.663672'

========================== row from database ==========================
                                              'id'  1392508
                                            'path'  /data/Music/Bulk/00dwimp/00metal/P.O.D. - POD/Sattelite/P.O.D. - Satellite - 09 - Guitarras De Amor.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  77
                                           'genre'  eid-metal-nu
                                        'filesize'  1563000
                                           'mtime'  1620311096
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal POD Sattelite 09 De eid metal nu
                                      'tag_artist'  P.O.D.
                                     'tag_release'  Satellite
                                       'tag_title'  Guitarras de Amor
                                             'bpm'  135.004
                                    'search_title'  'amor':3 'de':2 'guitarras':1
                                   'search_artist'  'd':3 'o':2 'p':1 'pod':4
                                  'search_release'  'satellite':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'de':5 'eid':6 'metal':7 'nu':8 'pod':3 'sattelite':4
                                    'search_combo'  '00dwimp':9 '00metal':10 'amor':3A 'd':6B 'de':2A,13 'eid':14 'guitarras':1A 'metal':15 'nu':16 'o':5B 'p':4B 'pod':7B,11 'satellite':8C 'sattelite':12
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['alternative rock', 'rapcore', 'metal', 'rock', 'alternative', 'nu metal']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'nu metal']

============================== file details ==============================
                                           'mtime'  1620311095.7764506  (2021-05-06 16:24:55)
                             'size'  1563000