======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '80'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Hi-Fi Sounds for Hounds'
                                           'title'  'Ride the Roller Coaster'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['drone', 'ambient', 'noise', 'noise rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise;set-pl-mor'
                                             'bpm'  '138.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hi-Fi Sounds for Hounds'
'TBPM' (BPM (beats per minute))                     '138.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-experimental or noise', 'set-pl-mor']
'TDRC' (Recording time)                             '1957'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Ride the Roller Coaster'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['drone', 'ambient', 'noise', 'noise rock', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.02 dB'
'TXXX:replaygain_track_peak'                        '0.376947'

========================== row from database ==========================
                                              'id'  1412604
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/n-a - Hi-Fi Sounds for Hounds (San Francisco Records, 1957) [320k]/03 (no artist) - Ride the Roller Coaster.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  80
                                           'genre'  rock-cppex-experimental or noise;set-pl-mor
                                        'filesize'  3223657
                                           'mtime'  1678462740
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (San Francisco Records, 1957) [320k] 03 (no artist) rock cppex experimental noise;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  Hi-Fi Sounds for Hounds
                                       'tag_title'  Ride the Roller Coaster
                                             'bpm'  138.7
                                    'search_title'  'coaster':4 'ride':1 'roller':3 'the':2
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'fi':2 'for':5 'hi':1 'hifi':3 'hounds':6 'sounds':4
                                     'search_rest'  '1957':7,8 '320k':9,10 'artist':13,14 'classicprogpsy':1 'cppex':16 'experimental':17 'francisco':4 'mor':23 'no':11,12 'noise':18,20 'pl':22 'records':5,6 'rock':15 'san':2,3 'set':19,21
                                    'search_combo'  '1957':19,20 '320k':21,22 'artist':25,26 'classicprogpsy':13 'coaster':4A 'cppex':28 'experimental':29 'fi':8C 'for':11C 'francisco':16 'hi':7C 'hifi':9C 'hounds':12C 'mor':35 'no':23,24 'noise':30,32 'pl':34 'records':17,18 'ride':1A 'rock':27 'roller':3A 'san':14,15 'set':31,33 'sounds':10C 'the':2A 'unknown':5B,6B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['drone', 'ambient', 'noise', 'noise rock', 'experimental']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678462739.6893399  (2023-03-10 16:38:59)
                             'size'  3223657