======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '368'
                                          'artist'  'High Contrast'
                                     'text_people'  ''
                                         'release'  'True Colors (disc 1)'
                                           'title'  'True Colors'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'dnb', 'drum n bass', 'electronic', 'liquid funk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '87.032'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'True Colors (disc 1)'
'TBPM' (BPM (beats per minute))                     '87.032'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'True Colors'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'High Contrast'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['drum and bass', 'dnb', 'drum n bass', 'electronic', 'liquid funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.79 dB'
'TXXX:replaygain_track_peak'                        '0.661738'

========================== row from database ==========================
                                              'id'  1321897
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/High Contrast/High_Contrast-True_Colors_(US_Retail)-2CD-2002-/CD1/High Contrast - True Colors (disc 1) - 03 - True Colors.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  368
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  8854603
                                           'mtime'  1621625388
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb High_Contrast True_Colors_(US_Retail) 2CD 2002 CD1 03 electronic th breakbeat dnb jungle
                                      'tag_artist'  High Contrast
                                     'tag_release'  True Colors (disc 1)
                                       'tag_title'  True Colors
                                             'bpm'  87.032
                                    'search_title'  'colors':2 'true':1
                                   'search_artist'  'contrast':2 'high':1
                                  'search_release'  '1':5,6 'colors':2 'disc':3,4 'true':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '2002':14 '2cd':13 'breakbeat':18 'cd1':15 'colors':6,10 'contrast':4 'dnb':19 'electronic':16 'high':3 'jungle':20 'retail':8,12 'th':17 'true':5,9 'us':7,11
                                    'search_combo'  '00dnb':12 '00poprockelectronic':11 '1':9C,10C '2002':24 '2cd':23 'breakbeat':28 'cd1':25 'colors':2A,6C,16,20 'contrast':4B,14 'disc':7C,8C 'dnb':29 'electronic':26 'high':3B,13 'jungle':30 'retail':18,22 'th':27 'true':1A,5C,15,19 'us':17,21
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'dnb', 'drum n bass', 'electronic', 'liquid funk']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621625387.8297987  (2021-05-21 21:29:47)
                             'size'  8854603