======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '495'
                                          'artist'  'Alexander Aurel'
                                     'text_people'  ''
                                         'release'  'Heinz Music'
                                           'title'  'Trinidad (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-3', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['minimal techno']"
                                     'discogstags'  "['electronic', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '123.9'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Heinz Music'
'TBPM' (BPM (beats per minute))                     '123.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Trinidad (Original Mix)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alexander Aurel'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'tech house']
'TXXX:lastfmtags'                                   'minimal techno'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.45 dB'
'TXXX:replaygain_track_peak'                        '0.430257'
'WOAF' (Official audio file webpage)                WOAF(url='whoplaymusic.com')

========================== row from database ==========================
                                              'id'  1292455
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Alex Rouk - Deep House 01/Alexander Aurel - Trinidad (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  495
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  19876044
                                           'mtime'  1621085122
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Rouk Deep House 01 electronic th techno minimal or deephouse
                                      'tag_artist'  Alexander Aurel
                                     'tag_release'  Heinz Music
                                       'tag_title'  Trinidad (Original Mix)
                                             'bpm'  123.9
                                    'search_title'  'mix':4,5 'original':2,3 'trinidad':1
                                   'search_artist'  'alexander':1 'aurel':2
                                  'search_release'  'heinz':1 'music':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'deep':7 'deephouse':13 'electronic':8 'harder':4 'house':3 'minimal':11 'or':12 'rouk':6 'techno':10 'th':9
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 'alexander':6B 'aurel':7B 'beats':14 'deep':16 'deephouse':22 'electronic':17 'harder':13 'heinz':8C 'house':12 'minimal':20 'mix':4A,5A 'music':9C 'or':21 'original':2A,3A 'rouk':15 'techno':19 'th':18 'trinidad':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic', 'tech house']

============================== file details ==============================
                                           'mtime'  1621085122.1335049  (2021-05-15 15:25:22)
                             'size'  19876044