======================== unified (from filesystem) ========================
                                         'bitrate'  '319.993'
                                        'duration'  '1151'
                                          'artist'  'Ash Ra Tempel'
                                     'text_people'  ''
                                         'release'  'Join Inn'
                                           'title'  "Freak 'n' Roll"
                                           'quals'  ("['Q-HAP-3', '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-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['krautrock', 'space rock', 'psychedelic rock', 'psychedelic', 'progressive "
 "rock', 'experimental']")
                                     'discogstags'  "['krautrock', 'prog rock', 'ambient', 'electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '105.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Join Inn'
'TBPM' (BPM (beats per minute))                     '105.4'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace', 'set-pl-progspace']
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         "Freak 'n' Roll"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ash Ra Tempel'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['krautrock', 'prog rock', 'ambient', 'electronic', 'rock']
'TXXX:lastfmtags'                                   ['krautrock',
 'space rock',
 'psychedelic rock',
 'psychedelic',
 'progressive rock',
 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.966474'

========================== row from database ==========================
                                              'id'  1505338
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Ash Ra Tempel - Ash Ra Temepl - Join Inn (1973)/01 - Freak _N_ Roll.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  1151
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  46119066
                                           'mtime'  1620736051
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Temepl (1973) 01 _N_ rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Ash Ra Tempel
                                     'tag_release'  Join Inn
                                       'tag_title'  Freak 'n' Roll
                                             'bpm'  105.4
                                    'search_title'  'freak':1 'n':2,3 'roll':4
                                   'search_artist'  'ash':1 'ra':2 'tempel':3
                                  'search_release'  'inn':2 'join':1
                                     'search_rest'  '1973':3,4 'classicprogpsy':1 'cppex':7 'n':5 'pl':13 'progspace':14 'psychedelic':8 'rock':6 'set':10,12 'space':9,11 'temepl':2
                                    'search_combo'  '1973':12,13 'ash':5B 'classicprogpsy':10 'cppex':16 'freak':1A 'inn':9C 'join':8C 'n':2A,3A,14 'pl':22 'progspace':23 'psychedelic':17 'ra':6B 'rock':15 'roll':4A 'set':19,21 'space':18,20 'temepl':11 'tempel':7B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'space rock', 'psychedelic rock', 'psychedelic', 'progressive rock', 'experimental']
                                        'tag_date'  1973
                                     'discogstags'  ['krautrock', 'prog rock', 'ambient', 'electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1620736051.2585895  (2021-05-11 14:27:31)
                             'size'  46119066