======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '152'
                                          'artist'  'Strum'
                                     'text_people'  ''
                                         'release'  'Tape No201 - Again, I Want To (Be Your Fool)'
                                           'title'  "Friends With The Wanderin' Wind"
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['folk rock', 'garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '138.6'
                                             'key'  '6A'
                                        '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 No201 - Again, I Want To (Be Your Fool)'
'TBPM' (BPM (beats per minute))                     '138.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "Friends With The Wanderin' Wind"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Strum'
'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:country'                                      'US'
'TXXX:discogstags'                                  ['folk rock', 'garage rock', 'rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+19.49 dB'
'TXXX:replaygain_track_peak'                        '0.063432'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  1509940
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT201/17 - Strum - Friends With The Wanderin_ Wind (196 US) (MC3).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  152
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3713055
                                           'mtime'  1620385219
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT201 17 Wanderin_ (196 US) (MC3) rock gr garage;set pl garagetapes
                                      'tag_artist'  Strum
                                     'tag_release'  Tape No201 - Again, I Want To (Be Your Fool)
                                       'tag_title'  Friends With The Wanderin' Wind
                                             'bpm'  138.6
                                    'search_title'  'friends':1 'the':3 'wanderin':4,5 'wind':6 'with':2
                                   'search_artist'  'strum':1
                                  'search_release'  'again':3,4 'be':8,9 'fool':11,12 'i':5 'no201':2 'tape':1 'to':7 'want':6 'your':10
                                     'search_rest'  '196':7,8 'blogspot':2 'com':3 'garage':15,17 'garagetapes':1,20 'garagetapesblogspotcom':4 'gr':14 'gt201':5 'mc3':11,12 'pl':19 'rock':13 'set':16,18 'us':9,10 'wanderin':6
                                    'search_combo'  '196':26,27 'again':10C,11C 'be':15C,16C 'blogspot':21 'com':22 'fool':18C,19C 'friends':1A 'garage':34,36 'garagetapes':20,39 'garagetapesblogspotcom':23 'gr':33 'gt201':24 'i':12C 'mc3':30,31 'no201':9C 'pl':38 'rock':32 'set':35,37 'strum':7B 'tape':8C 'the':3A 'to':14C 'us':28,29 'wanderin':4A,5A,25 'want':13C 'wind':6A 'with':2A 'your':17C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  ['folk rock', 'garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620385219.3334246  (2021-05-07 13:00:19)
                             'size'  3713055