======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '355'
                                          'artist'  'Milou'
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  'One More Time (Dance Floor Version)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'dance', 'italo disco', 'italo', 'pop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '119.4'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '119.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT1' (Content group description)                  ' '
'TIT2' (Title/songname/content description)         'One More Time (Dance Floor Version)'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Milou'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['german', 'dance', 'italo disco', 'italo', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.715097'

========================== row from database ==========================
                                              'id'  1349849
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Milou - One More Time (Dance Floor Version).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  355
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5684115
                                           'mtime'  1620570120
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic we disco italo
                                      'tag_artist'  Milou
                                     'tag_release'  Italo
                                       'tag_title'  One More Time (Dance Floor Version)
                                             'bpm'  119.4
                                    'search_title'  'dance':4,5 'floor':6 'more':2 'one':1 'time':3 'version':7,8
                                   'search_artist'  'milou':1
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'disco':4 'electronic':2 'italo':5 'we':3
                                    'search_combo'  '00poprockelectronic':11 'dance':4A,5A 'disco':14 'electronic':12 'floor':6A 'italo':10C,15 'milou':9B 'more':2A 'one':1A 'time':3A 'version':7A,8A 'we':13
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-1', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['german', 'dance', 'italo disco', 'italo', 'pop']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570120.1022232  (2021-05-09 16:22:00)
                             'size'  5684115