======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '228'
                                          'artist'  'Will Smith'
                                     'text_people'  ''
                                         'release'  'Mega Dance 1998'
                                           'title'  'Gettin Jiggy wit it'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'pop', 'hip hop', 'rap', '90s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;set-pl-billboard'
                                             'bpm'  '107.951'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mega Dance 1998'
'TBPM' (BPM (beats per minute))                     '107.951'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance', 'set-pl-billboard']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Gettin Jiggy wit it'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Will Smith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,194'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'pop', 'hip hop', 'rap', '90s']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.528424'

========================== row from database ==========================
                                              'id'  1403156
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Mega dance 1998/Will Smith - Gettin Jiggy wit it.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  228
                                           'genre'  electronic-generic or radio-dance;set-pl-billboard
                                        'filesize'  3657103
                                           'mtime'  1620384726
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat dance electronic generic or radio dance;set pl billboard
                                      'tag_artist'  Will Smith
                                     'tag_release'  Mega Dance 1998
                                       'tag_title'  Gettin Jiggy wit it
                                             'bpm'  107.951
                                    'search_title'  'gettin':1 'it':4 'jiggy':2 'wit':3
                                   'search_artist'  'smith':2 'will':1
                                  'search_release'  '1998':3 'dance':2 'mega':1
                                     'search_rest'  '00poprockelectronic':1 'billboard':13 'dance':3,8,10 'electronic':5 'generic':2 'or':6 'pl':12 'radio':7 'set':9,11 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':10 '1998':9C 'billboard':22 'dance':8C,12,17,19 'electronic':14 'generic':11 'gettin':1A 'it':4A 'jiggy':2A 'mega':7C 'or':15 'pl':21 'radio':16 'set':18,20 'smith':6B 'trapbeat':13 'will':5B 'wit':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'pop', 'hip hop', 'rap', '90s']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384726.1723435  (2021-05-07 12:52:06)
                             'size'  3657103