======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '169'
                                          'artist'  'MX-80 Sound'
                                     'text_people'  ''
                                         'release'  'Hard Attack'
                                           'title'  'Track05'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['experimental rock', 'art punk', 'post punk', 'experimental', 'noise rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '92.265'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hard Attack'
'TBPM' (BPM (beats per minute))                     '92.265'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Track05'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'MX-80 Sound'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['experimental rock', 'art punk', 'post punk', 'experimental', 'noise rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.698966'

========================== row from database ==========================
                                              'id'  1512314
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/05 Rockin_ Robots (Bonus).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  169
                                           'genre'  rock-gr-punk
                                        'filesize'  6774032
                                           'mtime'  1636912540
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Rockin_ Robots (Bonus) rock gr punk
                                      'tag_artist'  MX-80 Sound
                                     'tag_release'  Hard Attack
                                       'tag_title'  Track05
                                             'bpm'  92.265
                                    'search_title'  'track05':1
                                   'search_artist'  '80':2 'mx':1 'mx80':3 'sound':4
                                  'search_release'  'attack':2 'hard':1
                                     'search_rest'  '00poprockelectronic':1 'bonus':9,10 'files':5,6 'gr':12 'loose':3,4 'punk':13 'robots':8 'rock':11 'rockin':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 '80':3B 'attack':7C 'bonus':16,17 'files':12,13 'gr':19 'hard':6C 'loose':10,11 'mx':2B 'mx80':4B 'punk':20 'robots':15 'rock':18 'rockin':14 'sound':5B 'track05':1A 'unsorted':9
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['experimental rock', 'art punk', 'post punk', 'experimental', 'noise rock']
                                        'tag_date'  1977
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636912539.9289944  (2021-11-14 18:55:39)
                             'size'  6774032