======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  'Black Eyed Peas'
                                     'text_people'  ''
                                         'release'  'Top 40 2004 - Week 26'
                                           'title'  "Let's get it started"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'hip hop', 'pop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '104.877'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Top 40 2004 - Week 26'
'TBPM' (BPM (beats per minute))                     '104.877'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "Let's get it started"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Eyed Peas'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'hip hop', 'pop', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+20.18 dB'
'TXXX:replaygain_track_peak'                        '0.029389'

========================== row from database ==========================
                                              'id'  1497549
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/Black Eyed Peas - Let_s get it started.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8813397
                                           'mtime'  1676042020
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set Let_s electronic generic or radio dance
                                      'tag_artist'  Black Eyed Peas
                                     'tag_release'  Top 40 2004 - Week 26
                                       'tag_title'  Let's get it started
                                             'bpm'  104.877
                                    'search_title'  'get':4 'it':5 'let':1 'lets':3 's':2 'started':6
                                   'search_artist'  'black':1 'eyed':2 'peas':3
                                  'search_release'  '2004':3 '26':5 '40':2 'top':1 'week':4
                                     'search_rest'  '00poprockelectronic':1 'dance':9 'electronic':5 'generic':6 'let':3 'or':7 'radio':8 's':4 'set':2
                                    'search_combo'  '00poprockelectronic':15 '2004':12C '26':14C '40':11C 'black':7B 'dance':23 'electronic':19 'eyed':8B 'generic':20 'get':4A 'it':5A 'let':1A,17 'lets':3A 'or':21 'peas':9B 'radio':22 's':2A,18 'set':16 'started':6A 'top':10C 'week':13C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-3']
                                      'lastfmtags'  ['rnb', 'hip hop', 'pop', 'rap']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676042020.0632346  (2023-02-10 16:13:40)
                             'size'  8813397