======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'Odin'
                                     'text_people'  ''
                                         'release'  'Tape No186 - Welcome Back Among The Living'
                                           'title'  "I'm Out of Here 1968 US (Willman)"
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['glam metal', 'krautrock', 'hard rock', 'progressive rock', 'heavy metal']"
                                     'discogstags'  "['techno', 'electronic', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tape No186 - Welcome Back Among The Living'
'TBPM' (BPM (beats per minute))                     '145.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "I'm Out of Here 1968 US (Willman)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Odin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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'                                  ['techno', 'electronic', 'electro']
'TXXX:lastfmtags'                                   ['glam metal', 'krautrock', 'hard rock', 'progressive rock', 'heavy 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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.05 dB'
'TXXX:replaygain_track_peak'                        '0.021761'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  1505876
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT186/17 - Odin - I_m Out of Here 1968 US (Willman).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3874796
                                           'mtime'  1620385092
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT186 17 I_m rock gr garage;set pl garagetapes
                                      'tag_artist'  Odin
                                     'tag_release'  Tape No186 - Welcome Back Among The Living
                                       'tag_title'  I'm Out of Here 1968 US (Willman)
                                             'bpm'  145.6
                                    'search_title'  '1968':7 'here':6 'i':1 'im':3 'm':2 'of':5 'out':4 'us':8 'willman':9,10
                                   'search_artist'  'odin':1
                                  'search_release'  'among':5 'back':4 'living':7 'no186':2 'tape':1 'the':6 'welcome':3
                                     'search_rest'  'blogspot':2 'com':3 'garage':10,12 'garagetapes':1,15 'garagetapesblogspotcom':4 'gr':9 'gt186':5 'i':6 'm':7 'pl':14 'rock':8 'set':11,13
                                    'search_combo'  '1968':7A 'among':16C 'back':15C 'blogspot':20 'com':21 'garage':28,30 'garagetapes':19,33 'garagetapesblogspotcom':22 'gr':27 'gt186':23 'here':6A 'i':1A,24 'im':3A 'living':18C 'm':2A,25 'no186':13C 'odin':11B 'of':5A 'out':4A 'pl':32 'rock':26 'set':29,31 'tape':12C 'the':17C 'us':8A 'welcome':14C 'willman':9A,10A
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['glam metal', 'krautrock', 'hard rock', 'progressive rock', 'heavy metal']
                                        'tag_date'  1965
                                     'discogstags'  ['techno', 'electronic', 'electro']

============================== file details ==============================
                                           'mtime'  1620385092.3358717  (2021-05-07 12:58:12)
                             'size'  3874796