======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '190'
                                          'artist'  'Smash Mouth'
                                     'text_people'  ''
                                         'release'  'Astro Lounge'
                                           'title'  "Diggin' Your Scene"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'ska', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'pop rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '95.438'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Astro Lounge'
'TBPM' (BPM (beats per minute))                     '95.438'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Diggin' Your Scene"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '190040'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Smash Mouth'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'pop rock', 'indie rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'ska', 'pop', 'rock']
'TXXX:original release date'                        ['1999', '1999']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.478654'

========================== row from database ==========================
                                              'id'  1517853
                                            'path'  /data/Music/Bulk/00poprockelectronic/Smash Mouth/Smash Mouth - Diggin_ your Scene.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  190
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  3045235
                                           'mtime'  1620524879
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Diggin_ your loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  Smash Mouth
                                     'tag_release'  Astro Lounge
                                       'tag_title'  Diggin' Your Scene
                                             'bpm'  95.438
                                    'search_title'  'diggin':1,2 'scene':4 'your':3
                                   'search_artist'  'mouth':2 'smash':1
                                  'search_release'  'astro':1 'lounge':2
                                     'search_rest'  '00poprockelectronic':1 'dancehall':10 'diggin':2 'dub':8 'loc':4 'or':7 'reggae':6 'ska':9 'style':5 'unsorted':11 'your':3
                                    'search_combo'  '00poprockelectronic':9 'astro':7C 'dancehall':18 'diggin':1A,2A,10 'dub':16 'loc':12 'lounge':8C 'mouth':6B 'or':15 'reggae':14 'scene':4A 'ska':17 'smash':5B 'style':13 'unsorted':19 'your':3A,11
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'ska', 'pop', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock', 'alternative rock', 'pop rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1620524879.272479  (2021-05-09 03:47:59)
                             'size'  3045235