======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '256'
                                          'artist'  'Twine'
                                     'text_people'  ''
                                         'release'  'Circulation'
                                           'title'  'Low'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '129.730'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:ZuneAlbumArtistMediaID:\x00\x05\x91;\x00\x06Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x05\x91;\x00\x06\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:2qÑÁè;²J\x95N\x04¼ëË\x90X'   PRIV(owner='ZuneCollectionID', data=b'2q\xd1\xc1\xe8;\xb2J\x95N\x04\xbc\xeb\xcb\x90X')
'TALB' (Album/Movie/Show title)                     'Circulation'
'TBPM' (BPM (beats per minute))                     '129.730'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TIT2' (Title/songname/content description)         'Low'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Twine'
'TPE2' (Band/orchestra/accompaniment)               'Twine'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4'
'TXXX:DATE'                                         '2001'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']
'TXXX:q-bass'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.500069'

========================== row from database ==========================
                                              'id'  156723
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Twine/circulation-2001-mp3/4 - Low.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  256
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8198016
                                           'mtime'  1636916130
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm circulation 2001 mp3 4 electronic experimental oddness
                                      'tag_artist'  Twine
                                     'tag_release'  Circulation
                                       'tag_title'  Low
                                             'bpm'  129.73
                                    'search_title'  'low':1
                                   'search_artist'  'twine':1
                                  'search_release'  'circulation':1
                                     'search_rest'  '2001':2 '4':4 'circulation':1 'electronic':5 'experimental':6 'mp3':3 'oddness':7
                                    'search_combo'  '2001':5 '4':7 'circulation':3C,4 'electronic':8 'experimental':9 'low':1A 'mp3':6 'oddness':10 'twine':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916130.1666408  (2021-11-14 19:55:30)
                             'size'  8198016