======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '15'
                                          'artist'  'Crank Sturgeon'
                                     'text_people'  ''
                                         'release'  'Crank Sturgeon / Broken Penis Orchestra'
                                           'title'  "Man's First Sound"
                                           'quals'  ("['Q-HAP-2', '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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'prda', 'noise', 'harsh noise', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '143.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Crank Sturgeon / Broken Penis Orchestra'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "Man's First Sound"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Crank Sturgeon'
'TPE2' (Band/orchestra/accompaniment)               'Crank Sturgeon'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['industrial', 'prda', 'noise', 'harsh 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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.375176'

========================== row from database ==========================
                                              'id'  1521707
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Broken Penis Orchestra／Dick Flick／etc  (usa)/2006 - Crank Sturgeon & The Broken Penis Orchestra - Split (PsychForm) C20 [192k]/a2 - cs - man_s first sound.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  15
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  385007
                                           'mtime'  1636916014
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm The Orchestra／Dick Flick／etc (usa) 2006 & The Split (PsychForm) C20 [192k] a2 cs man_s first sound electronic experimental oddness
                                      'tag_artist'  Crank Sturgeon
                                     'tag_release'  Crank Sturgeon / Broken Penis Orchestra
                                       'tag_title'  Man's First Sound
                                             'bpm'  143.7
                                    'search_title'  'first':4 'man':1 'mans':3 's':2 'sound':5
                                   'search_artist'  'crank':1 'sturgeon':2
                                  'search_release'  'broken':3 'crank':1 'orchestra':5 'penis':4 'sturgeon':2
                                     'search_rest'  '192k':19,20 '2006':14 'a2':21 'c20':18 'cs':22 'dick':3,5 'electronic':27 'etc':8,10 'experimental':28 'first':25 'flick':7,9 'flicketc':11 'form':32,33 'man':23 'oddness':29 'orchestra':2,4 'orchestradick':6 'psych':30,31 'psychform':16,17 's':24 'sound':26 'split':15 'the':1 'usa':12,13
                                    'search_combo'  '192k':31,32 '2006':26 'a2':33 'broken':10C 'c20':30 'crank':6B,8C 'cs':34 'dick':15,17 'electronic':39 'etc':20,22 'experimental':40 'first':4A,37 'flick':19,21 'flicketc':23 'form':44,45 'man':1A,35 'mans':3A 'oddness':41 'orchestra':12C,14,16 'orchestradick':18 'penis':11C 'psych':42,43 'psychform':28,29 's':2A,36 'sound':5A,38 'split':27 'sturgeon':7B,9C 'the':13 'usa':24,25
                                    'tag_tracknum'  2
                                      '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-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'prda', 'noise', 'harsh noise', 'experimental']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916014.4576538  (2021-11-14 19:53:34)
                             'size'  385007