======================== unified (from filesystem) ========================
                                         'bitrate'  '212.977'
                                        'duration'  '358'
                                          'artist'  'Gong'
                                     'text_people'  ''
                                         'release'  'Progsoup 38'
                                           'title'  'Expresso'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['cream cheese', 'space rock', 'psychedelic rock', 'canterbury', "
 "'progressive rock', 'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '131.073'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Progsoup 38'
'TBPM' (BPM (beats per minute))                     '131.073'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Expresso'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gong'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '28'
'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'                                   ['cream cheese',
 'space rock',
 'psychedelic rock',
 'canterbury',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.646255'

========================== row from database ==========================
                                              'id'  1413337
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 38 (fusionsoup)/2206 gong - Expresso.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  358
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  9546840
                                           'mtime'  1620737305
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (fusionsoup) 2206 gong rock cppex progressive;set pl progspace
                                      'tag_artist'  Gong
                                     'tag_release'  Progsoup 38
                                       'tag_title'  Expresso
                                             'bpm'  131.073
                                    'search_title'  'expresso':1
                                   'search_artist'  'gong':1
                                  'search_release'  '38':2 'progsoup':1
                                     'search_rest'  '2206':5 'classicprogpsy':1 'cppex':8 'fusionsoup':3,4 'gong':6 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12
                                    'search_combo'  '2206':9 '38':4C 'classicprogpsy':5 'cppex':12 'expresso':1A 'fusionsoup':7,8 'gong':2B,10 'pl':17 'progressive':13,15 'progsoup':3C,6 'progspace':18 'rock':11 'set':14,16
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  5A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cream cheese', 'space rock', 'psychedelic rock', 'canterbury', 'progressive rock', 'psychedelic']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737304.538997  (2021-05-11 14:48:24)
                             'size'  9546840