======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '150'
                                          'artist'  'Six Feet Under'
                                     'text_people'  ''
                                         'release'  'Tape No036 - Real Girls In The Garage Land - Part III'
                                           'title'  'Inspiration In My Head'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'death metal', 'brutal death metal', 'cover', 'groove metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '140.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No036 - Real Girls In The Garage Land - Part III'
'TBPM' (BPM (beats per minute))                     '140.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Inspiration In My Head'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Six Feet Under'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07'
'TXXX:COUNTRY'                                      '- US'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal', 'death metal', 'brutal death metal', 'cover', 'groove metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+25.05 dB'
'TXXX:replaygain_track_peak'                        '0.022599'
'TXXX:tracknum'                                     '07'

========================== row from database ==========================
                                              'id'  502159
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT036 - Real Girls In The Garage Land - Part III/07 - Six Feet Under - Inspiration In My Head (1969 - US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  150
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3612466
                                           'mtime'  1620383035
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT036 07 (1969 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Six Feet Under
                                     'tag_release'  Tape No036 - Real Girls In The Garage Land - Part III
                                       'tag_title'  Inspiration In My Head
                                             'bpm'  140.7
                                    'search_title'  'head':4 'in':2 'inspiration':1 'my':3
                                   'search_artist'  'feet':2 'six':1 'under':3
                                  'search_release'  'garage':7 'girls':4 'iii':10 'in':5 'land':8 'no036':2 'part':9 'real':3 'tape':1 'the':6
                                     'search_rest'  '1969':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt036':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1969':23,24 'blogspot':19 'com':20 'feet':6B 'garage':14C,29,31 'garagetapes':18,34 'garagetapesblogspotcom':21 'girls':11C 'gr':28 'gt036':22 'head':4A 'iii':17C 'in':2A,12C 'inspiration':1A 'land':15C 'my':3A 'no036':9C 'part':16C 'pl':33 'real':10C 'rock':27 'set':30,32 'six':5B 'tape':8C 'the':13C 'under':7B 'us':25,26
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['metal', 'death metal', 'brutal death metal', 'cover', 'groove metal']
                                        'tag_date'  1969
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620383034.7118099  (2021-05-07 12:23:54)
                             'size'  3612466