======================== unified (from filesystem) ========================
                                         'bitrate'  '200.799'
                                        'duration'  '293'
                                          'artist'  'Sheryl Crow'
                                     'text_people'  ''
                                         'release'  'Tuesday Night Music Club'
                                           'title'  'Run, Baby, Run'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'country rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '88.168'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tuesday Night Music Club'
'TBPM' (BPM (beats per minute))                     '88.168'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Run, Baby, Run'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sheryl Crow'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'country rock', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'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'                        '0.668074'

========================== row from database ==========================
                                              'id'  1320986
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0543 - Sheryl Crow - Tuesday Night Music__cifs70a0.mp3
                                         'working'  None
                                         'bitrate'  200
                                    'duration_sec'  293
                                           'genre'  rock-pop
                                        'filesize'  7372569
                                           'mtime'  1623444704
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0543 Music__cifs70a0 rock pop
                                      'tag_artist'  Sheryl Crow
                                     'tag_release'  Tuesday Night Music Club
                                       'tag_title'  Run, Baby, Run
                                             'bpm'  88.168
                                    'search_title'  'baby':3,4 'run':1,2
                                   'search_artist'  'crow':2 'sheryl':1
                                  'search_release'  'club':4 'music':3 'night':2 'tuesday':1
                                     'search_rest'  '00poprockelectronic':1 '0543':5 '1000':4 'album':2 'cifs70a0':7 'music':6 'pop':9 'rock':8 'top':3
                                    'search_combo'  '00poprockelectronic':11 '0543':15 '1000':14 'album':12 'baby':3A,4A 'cifs70a0':17 'club':10C 'crow':6B 'music':9C,16 'night':8C 'pop':19 'rock':18 'run':1A,2A 'sheryl':5B 'top':13 'tuesday':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'country rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1623444703.7668507  (2021-06-11 22:51:43)
                             'size'  7372569