======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '395'
                                          'artist'  'Kraak & Smaak'
                                     'text_people'  ''
                                         'release'  'Beatport: Top 100 - August 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Way Back Home (Original Mix) (Feat. Ivar)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'lounge', 'dutch', 'electronic', 'funk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.01'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Top 100 - August 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Way Back Home (Original Mix) (Feat. Ivar)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kraak & Smaak'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'lounge', 'dutch', 'electronic', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.443245'

========================== row from database ==========================
                                              'id'  1324231
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Kraak & Smaak - Way Back Home (Original Mix) (Feat. Ivar).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  395
                                           'genre'  electronic-unsorted
                                        'filesize'  15893908
                                           'mtime'  1621696389
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin Guy 2015 electronic unsorted
                                      'tag_artist'  Kraak & Smaak
                                     'tag_release'  Beatport: Top 100 - August 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Way Back Home (Original Mix) (Feat. Ivar)
                                             'bpm'  120.01
                                    'search_title'  'back':2 'feat':8,9 'home':3 'ivar':10,11 'mix':6,7 'original':4,5 'way':1
                                   'search_artist'  'kraak':1 'smaak':2
                                  'search_release'  '100':4 '2016':6 'august':5 'beatport':1,2 'dance':9 'disco':11,12 'indie':7,8 'nu':10 'top':3
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':26 '100':17C '2015':29 '2016':19C 'august':18C 'back':2A 'beatport':14C,15C 'dance':22C 'disco':24C,25C 'electronic':30 'feat':8A,9A 'guy':28 'home':3A 'indie':20C,21C 'ivar':10A,11A 'kraak':12B 'marvin':27 'mix':6A,7A 'nu':23C 'original':4A,5A 'smaak':13B 'top':16C 'unsorted':31 'way':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'lounge', 'dutch', 'electronic', 'funk']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696389.232139  (2021-05-22 17:13:09)
                             'size'  15893908