======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'Mint Royale'
                                     'text_people'  ''
                                         'release'  'On the Ropes'
                                           'title'  'Shake Me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'electronic', 'big beat', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '129.2'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'On the Ropes'
'TBPM' (BPM (beats per minute))                     '129.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Shake Me'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mint Royale'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'electronic', 'big beat', 'house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.457572'

========================== row from database ==========================
                                              'id'  1313924
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mint Royale/On the Ropes/Mint Royale - 07 - shake me.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  5933056
                                           'mtime'  1621696460
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 shake me electronic generic or radio bigbeat
                                      'tag_artist'  Mint Royale
                                     'tag_release'  On the Ropes
                                       'tag_title'  Shake Me
                                             'bpm'  129.2
                                    'search_title'  'me':2 'shake':1
                                   'search_artist'  'mint':1 'royale':2
                                  'search_release'  'on':1 'ropes':3 'the':2
                                     'search_rest'  '00poprockelectronic':1 'bigbeat':8 'electronic':4 'generic':5 'me':3 'or':6 'radio':7 'shake':2
                                    'search_combo'  '00poprockelectronic':8 'bigbeat':15 'electronic':11 'generic':12 'me':2A,10 'mint':3B 'on':5C 'or':13 'radio':14 'ropes':7C 'royale':4B 'shake':1A,9 'the':6C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'electronic', 'big beat', 'house']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696460.3526814  (2021-05-22 17:14:20)
                             'size'  5933056