======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '281'
                                          'artist'  'Laidback'
                                     'text_people'  ''
                                         'release'  'Dope on Plastic 5-1'
                                           'title'  'Breakout'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['reggae', 'electronica', 'breaks', 'breakbeat', 'alternative', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '120.113'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dope on Plastic 5-1'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Breakout'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Laidback'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,189'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['reggae', 'electronica', 'breaks', 'breakbeat', 'alternative', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.551512'

========================== row from database ==========================
                                              'id'  1405171
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Dope On Plastic 5-1/Laidback - Breakout.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  281
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4513065
                                           'mtime'  1621696471
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat On electronic generic or radio dance
                                      'tag_artist'  Laidback
                                     'tag_release'  Dope on Plastic 5-1
                                       'tag_title'  Breakout
                                             'bpm'  120.113
                                    'search_title'  'breakout':1
                                   'search_artist'  'laidback':1
                                  'search_release'  '1':5 '5':4 '51':6 'dope':1 'on':2 'plastic':3
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':6 'generic':2 'on':5 'or':7 'radio':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':9 '1':7C '5':6C '51':8C 'breakout':1A 'dance':11 'dope':3C 'electronic':14 'generic':10 'laidback':2B 'on':4C,13 'or':15 'plastic':5C 'radio':16 'trapbeat':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'electronica', 'breaks', 'breakbeat', 'alternative', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696470.6221201  (2021-05-22 17:14:30)
                             'size'  4513065