======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '392'
                                          'artist'  'pixyblink'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'mind orb (single)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-1', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['american', 'katarakt', 'darkwave', 'usa', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '145.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'mind orb (single)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'pixyblink'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Mp3gain_minmax'                               '099,211'
'TXXX:Mp3gain_undo'                                 '-001,-001,N'
'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:lastfmtags'                                   ['american', 'katarakt', 'darkwave', 'usa', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.851948'

========================== row from database ==========================
                                              'id'  1369032
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/pixyblink [2015 rips]/01.pixyblink - mind orb (single).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  392
                                           'genre'  electronic-ambient-dark
                                        'filesize'  6289719
                                           'mtime'  1636910246
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient [2015 rips] 01.pixyblink electronic ambient dark
                                      'tag_artist'  pixyblink
                                     'tag_release'  None
                                       'tag_title'  mind orb (single)
                                             'bpm'  145.0
                                    'search_title'  'mind':1 'orb':2 'single':3,4
                                   'search_artist'  'pixyblink':1
                                  'search_release'  
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '01':7 '01pixyblink':9 '2015':3,4 'ambient':11 'dark':12 'electronic':10 'pixyblink':8 'rips':5,6
                                    'search_combo'  '00ambient':7 '00poprockelectronic':6 '01':12 '01pixyblink':14 '2015':8,9 'ambient':16 'dark':17 'electronic':15 'mind':1A 'orb':2A 'pixyblink':5B,13 'rips':10,11 'single':3A,4A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['american', 'katarakt', 'darkwave', 'usa', 'ambient']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910246.2670562  (2021-11-14 18:17:26)
                             'size'  6289719