======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '235'
                                          'artist'  'Jamul'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "Movin' to the Country"
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', 'Q-CHART-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '145.7'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "Movin' to the Country"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jamul'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/11'
'TSOP' (Performer sort order)                       'Jamul'
'TXXX:Artists'                                      'Jamul'
'TXXX:MusicBrainz Artist Id'                        'ad3b5264-b542-471d-bc98-855d82ed5c43'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-8.01 dB'
'TXXX:replaygain_track_peak'                        '1.026146'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'947d6a96-139b-4c72-960f-c6bcd506e4de')

========================== row from database ==========================
                                              'id'  1496600
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jamul - id. (US 1970 heavypsych. blues.)/04 Movin_ To The Country.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  235
                                           'genre'  rock-cppex
                                        'filesize'  9515785
                                           'mtime'  1620736141
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy id. (US 1970 heavypsych. blues.) 04 Movin_ To The rock cppex
                                      'tag_artist'  Jamul
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Movin' to the Country
                                             'bpm'  145.7
                                    'search_title'  'country':5 'movin':1,2 'the':4 'to':3
                                   'search_artist'  'jamul':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '1970':6 'blues':9,10 'classicprogpsy':1 'cppex':15 'heavypsych':7,8 'id':2,3 'movin':11 'rock':14 'the':13 'to':12 'us':4,5
                                    'search_combo'  '1970':17 'album':8C 'blues':20,21 'classicprogpsy':12 'country':5A 'cppex':26 'heavypsych':18,19 'id':13,14 'jamul':6B 'movin':1A,2A,22 'non':7C 'nonalbum':9C 'rock':25 'the':4A,24 'to':3A,23 'tracks':10C,11C 'us':15,16
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736141.3103917  (2021-05-11 14:29:01)
                             'size'  9515785