======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '367'
                                          'artist'  'Kit Watkins'
                                     'text_people'  'Kit Watkins'
                                         'release'  'Progsoup 43'
                                           'title'  'Spooks'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'progressive rock', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '145.895'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=255, count=0)
'TALB' (Album/Movie/Show title)                     'Progsoup 43'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCOM' (Composer)                                   'Kit Watkins'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Spooks'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kit Watkins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronica', 'progressive rock', 'electronic', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.408383'

========================== row from database ==========================
                                              'id'  1411428
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 43/2468 kit watkins - spooks.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  367
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  11784114
                                           'mtime'  1620737412
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2468 kit watkins spooks rock cppex progressive;set pl progspace
                                      'tag_artist'  Kit Watkins
                                     'tag_release'  Progsoup 43
                                       'tag_title'  Spooks
                                             'bpm'  145.895
                                    'search_title'  'spooks':1
                                   'search_artist'  'kit':1 'watkins':2
                                  'search_release'  '43':2 'progsoup':1
                                     'search_rest'  '2468':3 'classicprogpsy':1 'cppex':8 'kit':4 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12 'spooks':6 'watkins':5
                                    'search_combo'  '2468':8 '43':5C 'classicprogpsy':6 'cppex':13 'kit':2B,9 'pl':18 'progressive':14,16 'progsoup':4C,7 'progspace':19 'rock':12 'set':15,17 'spooks':1A,11 'watkins':3B,10
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'progressive rock', 'electronic', 'ambient']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737412.4339077  (2021-05-11 14:50:12)
                             'size'  11784114