======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '601'
                                          'artist'  'N.O.I.A.'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'True Love'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['italo disco', 'new wave', 'minimal synth', 'electronic', 'electro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '114.999'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '114.999'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'True Love'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'N.O.I.A.'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '4'
'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'                                   ['italo disco', 'new wave', 'minimal synth', 'electronic', 'electro']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.594150'

========================== row from database ==========================
                                              'id'  1418361
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/N.O.I.A__i love synthesizer dance ii__cifs56c.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  601
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  12033801
                                           'mtime'  1620609689
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco N.O.I.A__i love synthesizer dance ii__cifs56c electronic we disco or
                                      'tag_artist'  N.O.I.A.
                                     'tag_release'  miscitalo
                                       'tag_title'  True Love
                                             'bpm'  114.999
                                    'search_title'  'love':2 'true':1
                                   'search_artist'  'a':4 'i':3 'n':1 'noia':5 'o':2
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'a':8 'cifs56c':16 'dance':14 'disco':3 'electronic':17 'i':7,9,11 'ii':15 'love':12 'n':5 'noia':10 'o':6 'or':19 'synthesizer':13 'waves':2 'we':18
                                    'search_combo'  '00disco':12 '00poprockelectronic':9 'a':6B,16 'cifs56c':24 'dance':22 'disco':11 'electronic':25 'i':5B,15,17,19 'ii':23 'love':2A,20 'miscitalo':8C 'n':3B,13 'noia':7B,18 'o':4B,14 'or':27 'synthesizer':21 'true':1A 'waves':10 'we':26
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             '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-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['italo disco', 'new wave', 'minimal synth', 'electronic', 'electro']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620609689.382927  (2021-05-10 03:21:29)
                             'size'  12033801