======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '433'
                                          'artist'  'Rudosa'
                                     'text_people'  ''
                                         'release'  'Clean'
                                           'title'  'Obsolescence'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techno', 'united states', 'acid']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '134.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'NEW'
'PRIV:http://www.cdtag.com:\x01\x01@@Ó\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x01\x01@@\xd3\x00')
'TALB' (Album/Movie/Show title)                     'Clean'
'TBPM' (BPM (beats per minute))                     '134.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Obsolescence'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudosa'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Moments In Time'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Catalog #'                                    'MIT001'
'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:Release type'                                 'Normal'
'TXXX:Rip date'                                     '2019-00-00'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'united states', 'acid']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.88 dB'
'TXXX:replaygain_track_peak'                        '0.380705'

========================== row from database ==========================
                                              'id'  1289501
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Music - Clean/01-rudosa-obsolescence.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  433
                                           'genre'  electronic-th-techno
                                        'filesize'  17456950
                                           'mtime'  1620563815
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Music 01 rudosa obsolescence electronic th techno
                                      'tag_artist'  Rudosa
                                     'tag_release'  Clean
                                       'tag_title'  Obsolescence
                                             'bpm'  134.0
                                    'search_title'  'obsolescence':1
                                   'search_artist'  'rudosa':1
                                  'search_release'  'clean':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':9 'harder':4 'house':3 'music':6 'obsolescence':8 'rudosa':7 'techno':11 'th':10
                                    'search_combo'  '00poprockelectronic':4 '00techno':5 'beats':8 'clean':3C 'electronic':12 'harder':7 'house':6 'music':9 'obsolescence':1A,11 'rudosa':2B,10 'techno':14 'th':13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'united states', 'acid']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620563814.5581586  (2021-05-09 14:36:54)
                             'size'  17456950