======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '180'
                                          'artist'  'Berry Lipman'
                                     'text_people'  ''
                                         'release'  'Easy Instr 70s'
                                           'title'  "Easy Drummin' (da LP 'Washington Suite' DE '70)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'secretagent', 'jazz', 'orchestra', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '84.8'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Easy Instr 70s'
'TBPM' (BPM (beats per minute))                     '84.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Easy Drummin' (da LP 'Washington Suite' DE '70)"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Berry Lipman'
'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:lastfmtags'                                   ['instrumental', 'secretagent', 'jazz', 'orchestra', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.363830'

========================== row from database ==========================
                                              'id'  1529892
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Berry Lipman - Easy Drummin_ (da LP _Washington Suite_ DE _70).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  180
                                           'genre'  funk or soul
                                        'filesize'  7212005
                                           'mtime'  1628357798
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY 70_s Drummin_ _Washington Suite_ _70) funk or soul
                                      'tag_artist'  Berry Lipman
                                     'tag_release'  Easy Instr 70s
                                       'tag_title'  Easy Drummin' (da LP 'Washington Suite' DE '70)
                                             'bpm'  84.8
                                    'search_title'  '70':12,13 'da':4,5 'de':11 'drummin':2,3 'easy':1 'lp':6 'suite':9,10 'washington':7,8
                                   'search_artist'  'berry':1 'lipman':2
                                  'search_release'  '70s':3 'easy':1 'instr':2
                                     'search_rest'  '70':5,10,11 'drummin':7 'easy':4 'funk':2 'or':12 's':6 'soul':3 'suite':9 'swing':1 'washington':8
                                    'search_combo'  '70':12A,13A,23,28,29 '70s':18C 'berry':14B 'da':4A,5A 'de':11A 'drummin':2A,3A,25 'easy':1A,16C,22 'funk':20 'instr':17C 'lipman':15B 'lp':6A 'or':30 's':24 'soul':21 'suite':9A,10A,27 'swing':19 'washington':7A,8A,26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'secretagent', 'jazz', 'orchestra', 'easy listening']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357798.2788265  (2021-08-07 19:36:38)
                             'size'  7212005