======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '228'
                                          'artist'  '(St.Thomas) Pepper Smelter'
                                     'text_people'  ''
                                         'release'  'Tape No110 - Purple Haze (Covering Jimi Hendrix - Part I)'
                                           'title'  'Hey Joe'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '130.7'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No110 - Purple Haze (Covering Jimi Hendrix - Part I)'
'TBPM' (BPM (beats per minute))                     '130.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Hey Joe'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               '(St.Thomas) Pepper Smelter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '09'
'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:country'                                      'PE'
'TXXX:q-bass'                                       '4'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.528871'
'TXXX:tracknum'                                     '09'

========================== row from database ==========================
                                              'id'  500955
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT110/09 - (St.Thomas) Pepper Smelter - Hey Joe (1969 PE).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  228
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5486602
                                           'mtime'  1620384318
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT110 09 (1969 PE) rock gr garage;set garagetapes
                                      'tag_artist'  (St.Thomas) Pepper Smelter
                                     'tag_release'  Tape No110 - Purple Haze (Covering Jimi Hendrix - Part I)
                                       'tag_title'  Hey Joe
                                             'bpm'  130.7
                                    'search_title'  'hey':1 'joe':2
                                   'search_artist'  'pepper':4 'smelter':5 'st':1 'stthomas':3 'thomas':2
                                  'search_release'  'covering':5,6 'haze':4 'hendrix':8 'i':10,11 'jimi':7 'no110':2 'part':9 'purple':3 'tape':1
                                     'search_rest'  '1969':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,16 'garagetapesblogspotcom':4 'gr':11 'gt110':5 'pe':8,9 'rock':10 'set':13,15
                                    'search_combo'  '1969':24,25 'blogspot':20 'com':21 'covering':12C,13C 'garage':30,32 'garagetapes':19,34 'garagetapesblogspotcom':22 'gr':29 'gt110':23 'haze':11C 'hendrix':15C 'hey':1A 'i':17C,18C 'jimi':14C 'joe':2A 'no110':9C 'part':16C 'pe':26,27 'pepper':6B 'purple':10C 'rock':28 'set':31,33 'smelter':7B 'st':3B 'stthomas':5B 'tape':8C 'thomas':4B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384318.4989643  (2021-05-07 12:45:18)
                             'size'  5486602