======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'Lothar & the Hand People'
                                     'text_people'  ''
                                         'release'  'Presenting...Lothar & The Hand People'
                                           'title'  'L-O-V-E (Ask for It by Name)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'space rock', 'psychedelic rock', 'experimental', 'psychedelic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling;rock-unsorted'
                                             'bpm'  '137.013'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'PRIV:WM/WMCollectionGroupID:\x9f\x96\x0e«&\x07\x1aM¬ç2¦D\x83\x04e'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9f\x96\x0e\xab&\x07\x1aM\xac\xe72\xa6D\x83\x04e')
'PRIV:WM/WMCollectionID:\x9f\x96\x0e«&\x07\x1aM¬ç2¦D\x83\x04e'  PRIV(owner='WM/WMCollectionID', data=b'\x9f\x96\x0e\xab&\x07\x1aM\xac\xe72\xa6D\x83\x04e')
'PRIV:WM/WMContentID:ÆN\x81KÙÂ\x0eB¸ªs+-\x0b¾\x18'  PRIV(owner='WM/WMContentID', data=b'\xc6N\x81K\xd9\xc2\x0eB\xb8\xaas+-\x0b\xbe\x18')
'TALB' (Album/Movie/Show title)                     'Presenting...Lothar & The Hand People'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-spelling', 'rock-unsorted']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'L-O-V-E (Ask for It by Name)'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '140066'
'TPE1' (Lead performer(s)/Soloist(s))               'Lothar & the Hand People'
'TPE2' (Band/orchestra/accompaniment)               'Lothar & the Hand People'
'TPUB' (Publisher)                                  'Razor & Tie'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'space rock', 'psychedelic rock', 'experimental', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.459838'

========================== row from database ==========================
                                              'id'  766998
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Lothar & The Hand People - L-O-V-E (Ask For It By Name) (Cap., 1967; wr. Conly, King, Emelin, Ford, Flye & Weissman; pr. Dick Weissman).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  set-pl-spelling;rock-unsorted
                                        'filesize'  3343545
                                           'mtime'  1620392916
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling For By (Cap., 1967; wr. Conly, King, Emelin, Ford, Flye Weissman; pr. Dick Weissman) set spelling;rock unsorted
                                      'tag_artist'  Lothar & the Hand People
                                     'tag_release'  Presenting...Lothar & The Hand People
                                       'tag_title'  L-O-V-E (Ask for It by Name)
                                             'bpm'  137.013
                                    'search_title'  'ask':6,7 'by':10 'e':4 'for':8 'it':9 'l':1 'love':5 'name':11,12 'o':2 'v':3
                                   'search_artist'  'hand':3 'lothar':1 'people':4 'the':2
                                  'search_release'  'hand':5 'lothar':2 'people':6 'presenting':1 'presentinglothar':3 'the':4
                                     'search_rest'  '0novelty':2 '0playlists':1 '1967':9,10 'by':6 'cap':7,8 'conly':13,14 'dick':26 'emelin':17,18 'flye':21 'for':5 'ford':19,20 'king':15,16 'pr':24,25 'rock':30,32 'set':28 'spelling':4,29,31 'themes':3 'unsorted':33 'weissman':22,23,27 'wr':11,12
                                    'search_combo'  '0novelty':24 '0playlists':23 '1967':31,32 'ask':6A,7A 'by':10A,28 'cap':29,30 'conly':35,36 'dick':48 'e':4A 'emelin':39,40 'flye':43 'for':8A,27 'ford':41,42 'hand':15B,21C 'it':9A 'king':37,38 'l':1A 'lothar':13B,18C 'love':5A 'name':11A,12A 'o':2A 'people':16B,22C 'pr':46,47 'presenting':17C 'presentinglothar':19C 'rock':52,54 'set':50 'spelling':26,51,53 'the':14B,20C 'themes':25 'unsorted':55 'v':3A 'weissman':44,45,49 'wr':33,34
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'space rock', 'psychedelic rock', 'experimental', 'psychedelic']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392915.6218188  (2021-05-07 15:08:35)
                             'size'  3343545