======================== unified (from filesystem) ========================
                                         'bitrate'  '202.125'
                                        'duration'  '305'
                                          'artist'  'electric sandwich'
                                     'text_people'  ''
                                         'release'  'progsoup 2'
                                           'title'  'nervous creek'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '7'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '91.597'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 2'
'TBPM' (BPM (beats per minute))                     '91.597'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'nervous creek'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'electric sandwich'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18/7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', 'jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.559240'

========================== row from database ==========================
                                              'id'  1410284
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup2/092 electric sandwich - nervous creek.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  305
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7707896
                                           'mtime'  1620737641
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup2 092 rock cppex progressive;set pl progspace
                                      'tag_artist'  electric sandwich
                                     'tag_release'  progsoup 2
                                       'tag_title'  nervous creek
                                             'bpm'  91.597
                                    'search_title'  'creek':2 'nervous':1
                                   'search_artist'  'electric':1 'sandwich':2
                                  'search_release'  '2':2 'progsoup':1
                                     'search_rest'  'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progsoup2':3 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '2':6C 'classicprogpsy':7 'cppex':11 'creek':2A 'electric':3B 'nervous':1A 'pl':16 'progressive':12,14 'progsoup':5C,8 'progsoup2':9 'progspace':17 'rock':10 'sandwich':4B 'set':13,15
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', 'jazz']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737640.652412  (2021-05-11 14:54:00)
                             'size'  7707896