======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '296'
                                          'artist'  'Fatboy Slim'
                                     'text_people'  ''
                                         'release'  'Mix & Re-Mix Album'
                                           'title'  'Punk to Funk'
                                           '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-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic', 'breakbeat', 'house', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '139.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mix & Re-Mix Album'
'TBPM' (BPM (beats per minute))                     '139.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Punk to Funk'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fatboy Slim'
'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', 'breakbeat', 'house', 'big beat']
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'big beat']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.422944'

========================== row from database ==========================
                                              'id'  1346797
                                            'path'  /data/Music/Bulk/00poprockelectronic/Fatboy Slim/Mix & Re-Mix Album [compilation] 1999/Fatboy Slim - Punk to Funk.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  296
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  7118682
                                           'mtime'  1621696248
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [compilation] 1999 electronic generic or radio bigbeat
                                      'tag_artist'  Fatboy Slim
                                     'tag_release'  Mix & Re-Mix Album
                                       'tag_title'  Punk to Funk
                                             'bpm'  139.8
                                    'search_title'  'funk':3 'punk':1 'to':2
                                   'search_artist'  'fatboy':1 'slim':2
                                  'search_release'  'album':5 'mix':1,3 're':2 'remix':4
                                     'search_rest'  '00poprockelectronic':1 '1999':4 'bigbeat':9 'compilation':2,3 'electronic':5 'generic':6 'or':7 'radio':8
                                    'search_combo'  '00poprockelectronic':11 '1999':14 'album':10C 'bigbeat':19 'compilation':12,13 'electronic':15 'fatboy':4B 'funk':3A 'generic':16 'mix':6C,8C 'or':17 'punk':1A 'radio':18 're':7C 'remix':9C 'slim':5B 'to':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'big beat']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'breakbeat', 'house', 'big beat']

============================== file details ==============================
                                           'mtime'  1621696248.1029422  (2021-05-22 17:10:48)
                             'size'  7118682