======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '125'
                                          'artist'  'Filastine'
                                     'text_people'  ''
                                         'release'  'Dirty Bomb'
                                           'title'  '17-Como Fugitivos feat La Perla'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'Q-HHRNBTT-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['ethnocore', 'dubstep', 'hip hop', 'broken world beats', 'electronic', "
 "'experimental']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '17'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '141.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000A3E 00000A24 0000775F 00007FA3 0000876B 0000876B 00007EF3 00007E94 '
 '000088C7 0000A3A0')
'TALB' (Album/Movie/Show title)                     'Dirty Bomb'
'TBPM' (BPM (beats per minute))                     '141.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         '17-Como Fugitivos feat La Perla'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Filastine'
'TRCK' (Track number/Position in set)               '17/17'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 320 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ethnocore',
 'dubstep',
 'hip hop',
 'broken world beats',
 'electronic',
 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.417001'

========================== row from database ==========================
                                              'id'  647170
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/[FX089] - Filastine - Dirty Bomb/17 - 17-como_fugitivos_feat_la_perla.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  125
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  5049052
                                           'mtime'  1620531568
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [FX089] como_fugitivos_feat_la_perla electronic generic or radio beats
                                      'tag_artist'  Filastine
                                     'tag_release'  Dirty Bomb
                                       'tag_title'  17-Como Fugitivos feat La Perla
                                             'bpm'  141.6
                                    'search_title'  '17':1 '17como':3 'como':2 'feat':5 'fugitivos':4 'la':6 'perla':7
                                   'search_artist'  'filastine':1
                                  'search_release'  'bomb':2 'dirty':1
                                     'search_rest'  'beats':12 'como':3 'electronic':8 'feat':5 'fugitivos':4 'fx089':1,2 'generic':9 'la':6 'or':10 'perla':7 'radio':11
                                    'search_combo'  '17':1A '17como':3A 'beats':22 'bomb':10C 'como':2A,13 'dirty':9C 'electronic':18 'feat':5A,15 'filastine':8B 'fugitivos':4A,14 'fx089':11,12 'generic':19 'la':6A,16 'or':20 'perla':7A,17 'radio':21
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ethnocore', 'dubstep', 'hip hop', 'broken world beats', 'electronic', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620531568.2613583  (2021-05-09 05:39:28)
                             'size'  5049052