======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '376'
                                          'artist'  'Boris Dlugosch'
                                     'text_people'  ''
                                         'release'  'Traxsource: House Essentials (July 25th) 2016'
                                           'title'  "Keep Pushin' (Purple Disco Machine Dub Mix)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'club', 'electronica', 'seen in club wue']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '123.00'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Traxsource: House Essentials (July 25th) 2016'
'TBPM' (BPM (beats per minute))                     '123.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "Keep Pushin' (Purple Disco Machine Dub Mix)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boris Dlugosch'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.99.5'
'TXXX:Catalog #'                                    'atalog #'
'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:Release type'                                 'elease type'
'TXXX:Rip date'                                     'ip date'
'TXXX:Source'                                       'ource'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'club', 'electronica', 'seen in club wue']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.30 dB'
'TXXX:replaygain_track_peak'                        '0.527511'

========================== row from database ==========================
                                              'id'  1508347
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Boris Dlugosch - Keep Pushin_ (Purple Disco Machine Dub Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  376
                                           'genre'  electronic-unsorted
                                        'filesize'  15143047
                                           'mtime'  1621696374
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 Pushin_ electronic unsorted
                                      'tag_artist'  Boris Dlugosch
                                     'tag_release'  Traxsource: House Essentials (July 25th) 2016
                                       'tag_title'  Keep Pushin' (Purple Disco Machine Dub Mix)
                                             'bpm'  123.0
                                    'search_title'  'disco':6 'dub':8 'keep':1 'machine':7 'mix':9,10 'purple':4,5 'pushin':2,3
                                   'search_artist'  'boris':1 'dlugosch':2
                                  'search_release'  '2016':9 '25th':7,8 'essentials':4 'house':3 'july':5,6 'traxsource':1,2
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':6 'guy':3 'marvin':2 'pushin':5 'unsorted':7
                                    'search_combo'  '00poprockelectronic':22 '2015':25 '2016':21C '25th':19C,20C 'boris':11B 'disco':6A 'dlugosch':12B 'dub':8A 'electronic':27 'essentials':16C 'guy':24 'house':15C 'july':17C,18C 'keep':1A 'machine':7A 'marvin':23 'mix':9A,10A 'purple':4A,5A 'pushin':2A,3A,26 'traxsource':13C,14C 'unsorted':28
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'club', 'electronica', 'seen in club wue']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696373.559859  (2021-05-22 17:12:53)
                             'size'  15143047