======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'The Sheep'
                                     'text_people'  ''
                                         'release'  'Tape No151 - I Wanna Be (Just) Like Louie Louie'
                                           'title'  'Twelve Months Later'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', 'rock and roll', 'rock & roll', 'vietnamese']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '116.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     'Tape No151 - I Wanna Be (Just) Like Louie Louie'
'TBPM' (BPM (beats per minute))                     '116.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Twelve Months Later'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sheep'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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'                                      'US'
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', 'rock and roll', 'rock & roll', 'vietnamese']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.80 dB'
'TXXX:replaygain_track_peak'                        '0.027535'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  499626
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT151/01 - The Sheep - Twelve Months Later (1965 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3872207
                                           'mtime'  1620384786
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT151 01 (1965 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Sheep
                                     'tag_release'  Tape No151 - I Wanna Be (Just) Like Louie Louie
                                       'tag_title'  Twelve Months Later
                                             'bpm'  116.5
                                    'search_title'  'later':3 'months':2 'twelve':1
                                   'search_artist'  'sheep':2 'the':1
                                  'search_release'  'be':5 'i':3 'just':6,7 'like':8 'louie':9 'no151':2 'tape':1 'wanna':4
                                     'search_rest'  '1965':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt151':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1965':20,21 'be':10C 'blogspot':16 'com':17 'garage':26,28 'garagetapes':15,31 'garagetapesblogspotcom':18 'gr':25 'gt151':19 'i':8C 'just':11C,12C 'later':3A 'like':13C 'louie':14C 'months':2A 'no151':7C 'pl':30 'rock':24 'set':27,29 'sheep':5B 'tape':6C 'the':4B 'twelve':1A 'us':22,23 'wanna':9C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9B
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', 'rock and roll', 'rock & roll', 'vietnamese']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384786.2665255  (2021-05-07 12:53:06)
                             'size'  3872207