======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '167'
                                          'artist'  'Roy Gates feat. Jay Colin'
                                     'text_people'  ''
                                         'release'  '538 Dance Smash 2011 Vol.3'
                                           'title'  "Let's Rock"
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', '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-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '127.846'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '538 Dance Smash 2011 Vol.3'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         "Let's Rock"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Gates feat. Jay Colin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.384938'

========================== row from database ==========================
                                              'id'  1503292
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/538 Dance Smash Hits/538 Dance Smash 2011 Vol.3 DutchReleaseTeam/20 - Roy Gates feat. Jay Colin - Let_s Rock.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  167
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  7259217
                                           'mtime'  1620558274
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Hits DutchReleaseTeam Let_s electronic generic or radio dance
                                      'tag_artist'  Roy Gates feat. Jay Colin
                                     'tag_release'  538 Dance Smash 2011 Vol.3
                                       'tag_title'  Let's Rock
                                             'bpm'  127.846
                                    'search_title'  'let':1 'lets':3 'rock':4 's':2
                                   'search_artist'  'colin':6 'feat':3,4 'gates':2 'jay':5 'roy':1
                                  'search_release'  '2011':4 '3':6 '538':1 'dance':2 'smash':3 'vol':5 'vol3':7
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'dutch':12 'dutchreleaseteam':6 'electronic':9 'generic':2 'hits':5 'let':7 'or':10 'radio':11 'release':13 's':8 'team':14 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':18 '2011':14C '3':16C '538':11C 'colin':10B 'dance':12C,20 'dutch':29 'dutchreleaseteam':23 'electronic':26 'feat':7B,8B 'gates':6B 'generic':19 'hits':22 'jay':9B 'let':1A,24 'lets':3A 'or':27 'radio':28 'release':30 'rock':4A 'roy':5B 's':2A,25 'smash':13C 'team':31 'trapbeat':21 'vol':15C 'vol3':17C
                                    'tag_tracknum'  20
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558274.0780513  (2021-05-09 13:04:34)
                             'size'  7259217