======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '205'
                                          'artist'  'Toy-Box'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Toy-Ride'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'eurodance', 'electronic', 'pop', 'danish']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '138.229'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '138.229'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TIT2' (Title/songname/content description)         'Toy-Ride'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Toy-Box'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['dance', 'eurodance', 'electronic', 'pop', 'danish']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.379757'

========================== row from database ==========================
                                              'id'  1345965
                                            'path'  /data/Music/Bulk/00poprockelectronic/Toy-Box/Toy-Box  -  Toy-Ride  -  03  -  WWW.Girl.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  205
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  4122255
                                           'mtime'  1621696693
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 WWW.Girl electronic th ent eurodance
                                      'tag_artist'  Toy-Box
                                     'tag_release'  None
                                       'tag_title'  Toy-Ride
                                             'bpm'  138.229
                                    'search_title'  'ride':2 'toy':1 'toyride':3
                                   'search_artist'  'box':2 'toy':1 'toybox':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':5 'ent':7 'eurodance':8 'girl':3 'th':6 'www':2 'wwwgirl':4
                                    'search_combo'  '00poprockelectronic':7 'box':5B 'electronic':11 'ent':13 'eurodance':14 'girl':9 'ride':2A 'th':12 'toy':1A,4B 'toybox':6B 'toyride':3A 'www':8 'wwwgirl':10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'eurodance', 'electronic', 'pop', 'danish']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696693.2734408  (2021-05-22 17:18:13)
                             'size'  4122255