======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '273'
                                          'artist'  'Dusko Goykovic, Attila Zoller, Roland Kovac'
                                     'text_people'  ''
                                         'release'  'Easy Instr 70s'
                                           'title'  "Samples LP 'Easy Trumpet-Good Time' (Sel. Sound 9003 Lib. '68)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '136.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Easy Instr 70s'
'TBPM' (BPM (beats per minute))                     '136.9'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "Samples LP 'Easy Trumpet-Good Time' (Sel. Sound 9003 Lib. '68)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dusko Goykovic, Attila Zoller, Roland Kovac'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.948432'

========================== row from database ==========================
                                              'id'  1529614
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Dusko Goykovic, Attila Zoller, Roland Kovac - Samples LP _Easy Trumpet-Good Time_ (Sel. Sound 9003 Lib. _68).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  273
                                           'genre'  funk or soul
                                        'filesize'  6556368
                                           'mtime'  1628357817
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY 70_s _Easy Time_ _68) funk or soul
                                      'tag_artist'  Dusko Goykovic, Attila Zoller, Roland Kovac
                                     'tag_release'  Easy Instr 70s
                                       'tag_title'  Samples LP 'Easy Trumpet-Good Time' (Sel. Sound 9003 Lib. '68)
                                             'bpm'  136.9
                                    'search_title'  '68':16,17 '9003':13 'easy':3,4 'good':6 'lib':14,15 'lp':2 'samples':1 'sel':10,11 'sound':12 'time':8,9 'trumpet':5 'trumpetgood':7
                                   'search_artist'  'attila':4 'dusko':1 'goykovic':2,3 'kovac':8 'roland':7 'zoller':5,6
                                  'search_release'  '70s':3 'easy':1 'instr':2
                                     'search_rest'  '68':9,10 '70':5 'easy':4,7 'funk':2 'or':11 's':6 'soul':3 'swing':1 'time':8
                                    'search_combo'  '68':16A,17A,37,38 '70':33 '70s':28C '9003':13A 'attila':21B 'dusko':18B 'easy':3A,4A,26C,32,35 'funk':30 'good':6A 'goykovic':19B,20B 'instr':27C 'kovac':25B 'lib':14A,15A 'lp':2A 'or':39 'roland':24B 's':34 'samples':1A 'sel':10A,11A 'soul':31 'sound':12A 'swing':29 'time':8A,9A,36 'trumpet':5A 'trumpetgood':7A 'zoller':22B,23B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357817.2630804  (2021-08-07 19:36:57)
                             'size'  6556368