======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '320'
                                          'artist'  'Tuff City Kids'
                                     'text_people'  ''
                                         'release'  'Beatport: Best Of 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Scared (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', '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-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'house', 'techno', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '120.00'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Best Of 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Scared (Original Mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tuff City Kids'
'TXXX:CATALOG #'                                    'PERMVAC1532'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['german', 'house', 'techno', 'electronic']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.64 dB'
'TXXX:replaygain_track_peak'                        '0.591039'

========================== row from database ==========================
                                              'id'  1325071
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Tuff City Kids - Scared (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  320
                                           'genre'  electronic-th-techno
                                        'filesize'  12871443
                                           'mtime'  1620571206
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic th techno
                                      'tag_artist'  Tuff City Kids
                                     'tag_release'  Beatport: Best Of 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Scared (Original Mix)
                                             'bpm'  120.0
                                    'search_title'  'mix':4,5 'original':2,3 'scared':1
                                   'search_artist'  'city':2 'kids':3 'tuff':1
                                  'search_release'  '2016':5 'beatport':1,2 'best':3 'dance':8 'disco':10,11 'indie':6,7 'nu':9 'of':4
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'techno':7 'th':6
                                    'search_combo'  '00poprockelectronic':20 '2015':23 '2016':13C 'beatport':9C,10C 'best':11C 'city':7B 'dance':16C 'disco':18C,19C 'electronic':24 'guy':22 'indie':14C,15C 'kids':8B 'marvin':21 'mix':4A,5A 'nu':17C 'of':12C 'original':2A,3A 'scared':1A 'techno':26 'th':25 'tuff':6B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'house', 'techno', 'electronic']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571206.0162466  (2021-05-09 16:40:06)
                             'size'  12871443