======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '116'
                                          'artist'  'The History of Unheard Music'
                                     'text_people'  ''
                                         'release'  'Drop It'
                                           'title'  'I Can Be Me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'art pop', 'art rock', 'noise', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-mor'
                                             'bpm'  '133.5'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Drop It'
'TBPM' (BPM (beats per minute))                     '133.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-mor', 'set-pl-mor']
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'I Can Be Me'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '116271'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'The History of Unheard Music'
'TPE2' (Band/orchestra/accompaniment)               'The History of Unheard Music'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['industrial', 'art pop', 'art rock', 'noise', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.577964'

========================== row from database ==========================
                                              'id'  730142
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The History of Unheard Music/Drop It/13_I Can Be Me.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  116
                                           'genre'  electronic-experimental-oddness;set-pl-mor
                                        'filesize'  2326400
                                           'mtime'  1622760089
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 13_I electronic experimental oddness;set pl mor
                                      'tag_artist'  The History of Unheard Music
                                     'tag_release'  Drop It
                                       'tag_title'  I Can Be Me
                                             'bpm'  133.5
                                    'search_title'  'be':3 'can':2 'i':1 'me':4
                                   'search_artist'  'history':2 'music':5 'of':3 'the':1 'unheard':4
                                  'search_release'  'drop':1 'it':2
                                     'search_rest'  '13':1 'electronic':3 'experimental':4 'i':2 'mor':10 'oddness':5,7 'pl':9 'set':6,8
                                    'search_combo'  '13':12 'be':3A 'can':2A 'drop':10C 'electronic':14 'experimental':15 'history':6B 'i':1A,13 'it':11C 'me':4A 'mor':21 'music':9B 'oddness':16,18 'of':7B 'pl':20 'set':17,19 'the':5B 'unheard':8B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'art pop', 'art rock', 'noise', 'experimental']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760088.7141354  (2021-06-04 00:41:28)
                             'size'  2326400