======================== unified (from filesystem) ========================
                                         'bitrate'  '191.977'
                                        'duration'  '217'
                                          'artist'  "Gigi D'Agostino"
                                     'text_people'  ''
                                         'release'  '100% Números 1 2004 (disc 1)'
                                           'title'  'Silence'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'eurodance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '138.040'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '100% Números 1 2004 (disc 1)'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Silence'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Gigi D'Agostino"
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'eurodance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.452732'

========================== row from database ==========================
                                              'id'  1496792
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Gigi D_Agostino - 100!25 Números 1 2004 (disc 1) - 08 - Silence.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  217
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5222623
                                           'mtime'  1621696769
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] D_Agostino 100!25 08 electronic generic or radio dance
                                      'tag_artist'  Gigi D'Agostino
                                     'tag_release'  100% Números 1 2004 (disc 1)
                                       'tag_title'  Silence
                                             'bpm'  138.04
                                    'search_title'  'silence':1
                                   'search_artist'  'agostino':3 'd':2 'dagostino':4 'gigi':1
                                  'search_release'  '1':4,8 '100':1 '2004':5 'disc':6,7 'numeros':2,3
                                     'search_rest'  '00poprockelectronic':1 '100':9 '25':10 'agostino':8 'd':7 'dance':15 'electronic':11 'files':5,6 'generic':12 'loose':3,4 'or':13 'radio':14 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '1':9C,13C '100':6C,22 '2004':10C '25':23 'agostino':4B,21 'd':3B,20 'dagostino':5B 'dance':28 'disc':11C,12C 'electronic':24 'files':18,19 'generic':25 'gigi':2B 'loose':16,17 'numeros':7C,8C 'or':26 'radio':27 'silence':1A 'unsorted':15
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'eurodance']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696768.976032  (2021-05-22 17:19:28)
                             'size'  5222623