======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '342'
                                          'artist'  'Hammock'
                                     'text_people'  ''
                                         'release'  'Maybe They Will Sing For Us Tomorrow'
                                           'title'  'This Kind Of Life Keeps Breaking Your Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-1', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'electronic', 'shoegaze', 'post rock', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'post rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '144.438'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Maybe They Will Sing For Us Tomorrow'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'This Kind Of Life Keeps Breaking Your Heart'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hammock'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'post rock', 'ambient']
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'shoegaze', 'post rock', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.683459'

========================== row from database ==========================
                                              'id'  1323274
                                            'path'  /data/Music/Bulk/00poprockelectronic/hammock/2008 - maybe they will sing for us tomorrow/03 - This Kind Of Life Keeps Breaking Your Heart.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  342
                                           'genre'  electronic-ambient
                                        'filesize'  11016800
                                           'mtime'  1636911200
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic hammock 2008 maybe they will sing for us tomorrow 03 electronic ambient
                                      'tag_artist'  Hammock
                                     'tag_release'  Maybe They Will Sing For Us Tomorrow
                                       'tag_title'  This Kind Of Life Keeps Breaking Your Heart
                                             'bpm'  144.438
                                    'search_title'  'breaking':6 'heart':8 'keeps':5 'kind':2 'life':4 'of':3 'this':1 'your':7
                                   'search_artist'  'hammock':1
                                  'search_release'  'for':5 'maybe':1 'sing':4 'they':2 'tomorrow':7 'us':6 'will':3
                                     'search_rest'  '00poprockelectronic':1 '2008':3 'ambient':12 'electronic':11 'for':8 'hammock':2 'maybe':4 'sing':7 'they':5 'tomorrow':10 'us':9 'will':6
                                    'search_combo'  '00poprockelectronic':17 '2008':19 'ambient':28 'breaking':6A 'electronic':27 'for':14C,24 'hammock':9B,18 'heart':8A 'keeps':5A 'kind':2A 'life':4A 'maybe':10C,20 'of':3A 'sing':13C,23 'they':11C,21 'this':1A 'tomorrow':16C,26 'us':15C,25 'will':12C,22 'your':7A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'electronic', 'shoegaze', 'post rock', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'rock', 'post rock', 'ambient']

============================== file details ==============================
                                           'mtime'  1636911200.0223465  (2021-11-14 18:33:20)
                             'size'  11016800