======================== unified (from filesystem) ========================
                                         'bitrate'  '173.321'
                                        'duration'  '200'
                                          'artist'  'Atom and His Package'
                                     'text_people'  ''
                                         'release'  'Hair: Debatable'
                                           'title'  "(Lord It's Hard to Be Happy Wh"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'electronic', 'punk', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '84.844'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hair: Debatable'
'TBPM' (BPM (beats per minute))                     '84.844'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "(Lord It's Hard to Be Happy Wh"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Atom and His Package'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'electronic', 'punk', 'experimental', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.301357'

========================== row from database ==========================
                                              'id'  1502591
                                            'path'  /data/Music/Bulk/00poprockelectronic/Atom and His Package/Hair Debatable/Hair Debatable-02-(Lord It_s Hard to Be Happy When You_re Not) Using the Metric System.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  200
                                           'genre'  rock-gr-punk
                                        'filesize'  4345335
                                           'mtime'  1622659243
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 It_s When You_re Not) Using the Metric System rock gr punk
                                      'tag_artist'  Atom and His Package
                                     'tag_release'  Hair: Debatable
                                       'tag_title'  (Lord It's Hard to Be Happy Wh
                                             'bpm'  84.844
                                    'search_title'  'be':8 'happy':9 'hard':6 'it':3 'its':5 'lord':1,2 's':4 'to':7 'wh':10
                                   'search_artist'  'and':2 'atom':1 'his':3 'package':4
                                  'search_release'  'debatable':3 'hair':1,2
                                     'search_rest'  '00poprockelectronic':1 'gr':14 'it':2 'metric':11 'not':7,8 'punk':15 're':6 'rock':13 's':3 'system':12 'the':10 'using':9 'when':4 'you':5
                                    'search_combo'  '00poprockelectronic':18 'and':12B 'atom':11B 'be':8A 'debatable':17C 'gr':31 'hair':15C,16C 'happy':9A 'hard':6A 'his':13B 'it':3A,19 'its':5A 'lord':1A,2A 'metric':28 'not':24,25 'package':14B 'punk':32 're':23 'rock':30 's':4A,20 'system':29 'the':27 'to':7A 'using':26 'wh':10A 'when':21 'you':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'electronic', 'punk', 'experimental', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659242.546032  (2021-06-02 20:40:42)
                             'size'  4345335