======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '604'
                                          'artist'  'Moderat'
                                     'text_people'  ''
                                         'release'  'AlbertFM'
                                           'title'  'Milk'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['glitch', 'idm', 'electronic', 'bpitch control', 'techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  '11'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '115.0'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         'ExactAudioCopy v1.0b3'
'TALB' (Album/Movie/Show title)                     'AlbertFM'
'TBPM' (BPM (beats per minute))                     '115.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Milk'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '604040'
'TPE1' (Lead performer(s)/Soloist(s))               'Moderat'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '/11'
'TSRC' (ISRC (international standard recording code))  'DEOE81310021'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.99.5 (http://lame.sf.net)'
'TXXX:DATE'                                         '2013'
'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'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['glitch', 'idm', 'electronic', 'bpitch control', 'techno']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.62 dB'
'TXXX:replaygain_track_peak'                        '0.443161'

========================== row from database ==========================
                                              'id'  1342145
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Varis - C_201x Techno melodic/Moderat - Milk.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  604
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  24251914
                                           'mtime'  1621085209
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Varis C_201x Techno melodic electronic th techno minimal or deephouse
                                      'tag_artist'  Moderat
                                     'tag_release'  AlbertFM
                                       'tag_title'  Milk
                                             'bpm'  115.0
                                    'search_title'  'milk':1
                                   'search_artist'  'moderat':1
                                  'search_release'  'albert':2 'albertfm':1 'fm':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '201x':8 'beats':5 'c':7 'deephouse':15 'electronic':11 'harder':4 'house':3 'melodic':10 'minimal':13 'or':14 'techno':9 'th':12 'varis':6
                                    'search_combo'  '00poprockelectronic':6 '00techno':7 '201x':13 'albert':4C 'albertfm':3C 'beats':10 'c':12 'deephouse':20 'electronic':16 'fm':5C 'harder':9 'house':8 'melodic':15 'milk':1A 'minimal':18 'moderat':2B 'or':19 'techno':14 'th':17 'varis':11
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'idm', 'electronic', 'bpitch control', 'techno']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085209.3717022  (2021-05-15 15:26:49)
                             'size'  24251914