======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '340'
                                          'artist'  'Beacon Street Union'
                                     'text_people'  ''
                                         'release'  "Tape No099 - Baby Please Don't Go"
                                           'title'  "Baby Please Don't Go"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', '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'  "['psychedelic rock', 'psychedelic', 'rock', '60s', 'boston']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '126.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No099 - Baby Please Don't Go"
'TBPM' (BPM (beats per minute))                     '126.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         "Baby Please Don't Go"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beacon Street Union'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '31'
'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'                                   ['psychedelic rock', 'psychedelic', 'rock', '60s', 'boston']
'TXXX:other'                                        'US'
'TXXX:q-bass'                                       '2'
'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'                        '+24.58 dB'
'TXXX:replaygain_track_peak'                        '0.022952'
'TXXX:tracknum'                                     '31'

========================== row from database ==========================
                                              'id'  503284
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT099/31 - Beacon Street Union (1968 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  340
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  8165378
                                           'mtime'  1620384072
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT099 31 (1968 US) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Beacon Street Union
                                     'tag_release'  Tape No099 - Baby Please Don't Go
                                       'tag_title'  Baby Please Don't Go
                                             'bpm'  126.6
                                    'search_title'  'baby':1 'don':3 'dont':5 'go':6 'please':2 't':4
                                   'search_artist'  'beacon':1 'street':2 'union':3
                                  'search_release'  'baby':3 'don':5 'dont':7 'go':8 'no099':2 'please':4 't':6 'tape':1
                                     'search_rest'  '1968':7,8 '31':6 'blogspot':2 'com':3 'cover':22 'covered':24 'garage':13,15 'garagetapes':1,18,20 'garagetapesblogspotcom':4 'gr':12 'gt099':5 'or':23 'pl':17 'rock':11 'set':14,16,19,21 'us':9,10
                                    'search_combo'  '1968':24,25 '31':23 'baby':1A,12C 'beacon':7B 'blogspot':19 'com':20 'cover':39 'covered':41 'don':3A,14C 'dont':5A,16C 'garage':30,32 'garagetapes':18,35,37 'garagetapesblogspotcom':21 'go':6A,17C 'gr':29 'gt099':22 'no099':11C 'or':40 'pl':34 'please':2A,13C 'rock':28 'set':31,33,36,38 'street':8B 't':4A,15C 'tape':10C 'union':9B 'us':26,27
                                    'tag_tracknum'  31
                                      '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-2', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'psychedelic', 'rock', '60s', 'boston']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620384072.0903275  (2021-05-07 12:41:12)
                             'size'  8165378