======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  'Lou Bega'
                                     'text_people'  ''
                                         'release'  'Pop Disco 80s'
                                           'title'  'Mambo N5'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '90s', 'latin', 'pop', 'mambo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '47'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '86.957'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Pop Disco 80s'
'TBPM' (BPM (beats per minute))                     '86.957'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Mambo N5'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Lou Bega'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '47'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', '90s', 'latin', 'pop', 'mambo']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.516587'

========================== row from database ==========================
                                              'id'  1405815
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Pop Disco 80s - 100 Hits (2016)/47. Lou Bega - Mambo N5.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8852660
                                           'mtime'  1620592895
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 100 Hits (2016) 47. electronic we disco or italo
                                      'tag_artist'  Lou Bega
                                     'tag_release'  Pop Disco 80s
                                       'tag_title'  Mambo N5
                                             'bpm'  86.957
                                    'search_title'  'mambo':1 'n5':2
                                   'search_artist'  'bega':2 'lou':1
                                  'search_release'  '80s':3 'disco':2 'pop':1
                                     'search_rest'  '00poprockelectronic':1 '100':5 '2016':7,8 '47':9,10 'dance':3 'disco':13 'electronic':11 'generic':2 'hits':6 'italo':15 'or':14 'trapbeat':4 'we':12
                                    'search_combo'  '00poprockelectronic':8 '100':12 '2016':14,15 '47':16,17 '80s':7C 'bega':4B 'dance':10 'disco':6C,20 'electronic':18 'generic':9 'hits':13 'italo':22 'lou':3B 'mambo':1A 'n5':2A 'or':21 'pop':5C 'trapbeat':11 'we':19
                                    'tag_tracknum'  47
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', '90s', 'latin', 'pop', 'mambo']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592894.5978012  (2021-05-09 22:41:34)
                             'size'  8852660