======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '518'
                                          'artist'  'Jacqueline'
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  'Every Beat Of My Heart (Very Rare Tracks Remix)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['pop', 'german', 'dutch', 'house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '131.5'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '131.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT2' (Title/songname/content description)         'Every Beat Of My Heart (Very Rare Tracks Remix)'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jacqueline'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:lastfmtags'                                   ['pop', 'german', 'dutch', 'house', 'electronic']
'TXXX:q-bass'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '1.009610'

========================== row from database ==========================
                                              'id'  1302985
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Jacqueline - Every Beat Of My Heart (Very Rare Tracks Remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  518
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8300626
                                           'mtime'  1620570030
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic we disco or italo
                                      'tag_artist'  Jacqueline
                                     'tag_release'  Italo
                                       'tag_title'  Every Beat Of My Heart (Very Rare Tracks Remix)
                                             'bpm'  131.5
                                    'search_title'  'beat':2 'every':1 'heart':5 'my':4 'of':3 'rare':8 'remix':10,11 'tracks':9 'very':6,7
                                   'search_artist'  'jacqueline':1
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'disco':4 'electronic':2 'italo':6 'or':5 'we':3
                                    'search_combo'  '00poprockelectronic':14 'beat':2A 'disco':17 'electronic':15 'every':1A 'heart':5A 'italo':13C,19 'jacqueline':12B 'my':4A 'of':3A 'or':18 'rare':8A 'remix':10A,11A 'tracks':9A 'very':6A,7A 'we':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-grit-1']
                                      'lastfmtags'  ['pop', 'german', 'dutch', 'house', 'electronic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570030.2915218  (2021-05-09 16:20:30)
                             'size'  8300626