======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Funkadelic'
                                     'text_people'  ''
                                         'release'  "Let's Take it to the Stage"
                                           'title'  'The song is familiar'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['psychedelic', 'p funk', 'soul', 'funk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '137.9'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'POPM:traktor@native-instruments.de'                POPM(email='traktor@native-instruments.de', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     "Let's Take it to the Stage"
'TBPM' (BPM (beats per minute))                     '137.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'The song is familiar'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Funkadelic'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:fBPM'                                         '0.000000'
'TXXX:fBPMQuality'                                  '0.000000'
'TXXX:lastfmtags'                                   ['psychedelic', 'p funk', 'soul', 'funk', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.597928'

========================== row from database ==========================
                                              'id'  1530032
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/funkadelic - 1975 let_s take it to the stage/b3 - funkadelic - the song is familiar.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  funk or soul-funk
                                        'filesize'  3041249
                                           'mtime'  1620665724
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul funkadelic 1975 let_s take stage b3 funkadelic funk or soul funk
                                      'tag_artist'  Funkadelic
                                     'tag_release'  Let's Take it to the Stage
                                       'tag_title'  The song is familiar
                                             'bpm'  137.9
                                    'search_title'  'familiar':4 'is':3 'song':2 'the':1
                                   'search_artist'  'funkadelic':1
                                  'search_release'  'it':5 'let':1 'lets':3 's':2 'stage':8 'take':4 'the':7 'to':6
                                     'search_rest'  '1975':5 'b3':10 'funk':2 'funkadelic':4 'let':6 'or':11 's':7 'soul':3 'stage':9 'swing':1 'take':8
                                    'search_combo'  '1975':18 'b3':23 'familiar':4A 'funk':15 'funkadelic':5B,17 'is':3A 'it':10C 'let':6C,19 'lets':8C 'or':24 's':7C,20 'song':2A 'soul':16 'stage':13C,22 'swing':14 'take':9C,21 'the':1A,12C 'to':11C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'p funk', 'soul', 'funk', 'rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665723.5099056  (2021-05-10 18:55:23)
                             'size'  3041249